Westerstom A., B. Petrov, N. Tzankov. 2010. Envenoming following bites by the Balkan adder Vipera berus bosniensis — First documented case series from Bulgaria. — Toxicon, 56: 1510—1515 [PDF available on request].
Kerth G, B. Petrov, A. Conti, D. Anastasov, M. Weishaar, S. Gazaryan, J. Jaquiéry, B. König, N. Perrin, N. Bruyndonckx. 2008. Communally breeding Bechstein’s bats have a stable social system that is independent from the post-glacial history and location of the populations. — Molecular Ecology, 17: 2368—2381. [PDF].
Deltshev Ch., B. Petrov. 2008. The Spiders (Araneae) in the Caves of the Western Rhodope Mountains (Bulgaria). — Acta zoologica bulgarica, 60 (1): 41—50. [PDF].
Stoyanov G. P., T. Ivanova, B. P. Petrov, A. Gueorguieva. 2008. Past and Present Breeding Distribution of the Alpine Chough (Pyrrhocorax graculus) in Western Stara Planina and Western Predbalkan Mts. (Bulgaria). — Acta zoologica bulgarica, Suppl. 2: 119—132. [PDF].
Petrov B. 2007. Amphibians and Reptiles of Bulgaria: fauna, vertical distribution, zoogeography, and conservation. — In: V. Fet & A. Popov (eds.), Biogeography and Ecology of Bulgaria, Springer, 85—107. [PDF].
Petrov B., F. Stahlavsky. 2007. New species of pseudoscorpions (Arachnida: Pseudoscorpiones) for the fauna of Bulgaria. — Historia naturalis bulgarica, 18: 15—27. [PDF].
Petrov B. 2006. Lacerta mosorensis Kolombatovic, 1886 new to the herpetofauna of Albania. — Herpetozoa, 19 (1/2): 92—93. [PDF].
Petrov B., N. Tzankov, H. Strijbosch, G. Popgeorgiev, V. Beshkov. 2006. The herpetofauna (Amphibia & Reptilia) of the Western Rhodopes mountain (Bulgaria and Greece). — In: P. Beron (ed.). Biodiversity of Bulgaria, 3. Biodiversity of Western Rhodopes (Bulgaria and Greece). Pensoft & Nat. Mus. Natur. Hist., Sofia, 863—913. [PDF].
Petrov B. 2006. Distribution and status of Myotis bechsteinii in Bulgaria (Chiroptera: Vespertilionidae). — Lynx n.s., Praha, 37: 179—195. [PDF].
Deltshev Ch., B. Petrov, P. Mitov. 2005. Faunistic diversity of Class Arachnida (non Acari) in Bulgaria — present state, importance and perspectives. — In Petrova, A. (ed.), Current state of Bulgarian biodiversity — problems and perspectives, Pp. 129—151, Bulgarian Bioplatphorm, Sofia [in Bulgarian, English summary]. [PDF].
Petrov B. 2004. The false scorpions (Arachnida: Pseudoscorpiones) of the Eastern Rhodopes (Bulgaria and Greece). — In: Beron P., Popov A. (Eds). Biodiversity of Bulgaria. 2. Biodiversity of Eastern Rhodopes (Bulgaria and Greece). Pensoft & Nat. Mus. Natur. Hist., Sofia, 153—166. [PDF].
Gueorguiev B., B. Petrov. 2004. Second species of the genus Troglorrhynchus F. Schmidt (Coleoptera: Curculionidae: Otiorrhynchinae) in the Bulgarian Eastern Rhodopes. — In: Beron P., Popov A. (Eds). Biodiversity of Bulgaria. 2. Biodiversity of Eastern Rhodopes (Bulgaria and Greece). Pensoft & Nat. Mus. Natur. Hist., Sofia, 453—462. [PDF].
Beron P., B. Petrov, P. Stoev. 2004. The invertebrate cave fauna of the Eastern Rhodopes (Bulgaria and Greece). — In: Beron P. & Popov A. (Eds). Biodiversity of Bulgaria. 2. Biodiversity of Eastern Rhodopes (Bulgaria and Greece). Pensoft & Nat. Mus. Natur. Hist., Sofia, 791—822. [PDF].
Petrov B. 2004. The herpetofauna (Amphibia and Reptilia) of the Eastern Rhodopes (Bulgaria and Greece). — In: Beron P., Popov A. (Eds). Biodiversity of Bulgaria. 2. Biodiversity of Eastern Rhodopes (Bulgaria and Greece). Pensoft & Nat. Mus. Natur. Hist., Sofia, 863—879. [PDF].
Schunger I., Ch. Dietz, D. Merdschanova, S. Merdschanov, K. Christov, I. Borissov, S. Staneva, B. Petrov. 2004. Swarming of bats (Chiroptera, Mammalia) in the Vodnite Dupki Cave (Central Balkan National Park, Bulgaria). — Acta zoologica bulgarica, 56 (3): 323—330. [PDF].
Benda, P., T. Ivanova, I. Horacek, Vl. Hanak, J. Cerveny, J. Gaisler, A. Gueorguieva, B. Petrov, Vl. Vohralik. 2003. Bats (Mammalia: Chiroptera) of the Eastern Mediterranean. Part 3. Review of bat distribution in Bulgaria. — Acta Soc. Zool. Bohem., 67: 245—357. [PDF].
Deltshev Ch., S. Lazarov, B. Petrov. 2003. A contribution to the study of spiders (Araneae) from the caves of Bulgaria. — Acta zoologica bulgarica, 55 (2): 9—28. [PDF].
Petrov B., S. Hristova, H. Hristov. 2002. First record of the Cat snake Telescopus fallax Fleischmann, 1831 (Reptilia: Serpentes) in the Eastern Rhodopes Mt., Bulgaria. — Historia naturalis bulgarica, 15, 143—146. [PDF].
Petrov B., Vl. Beshkov. 2001. Amphibians (Amphibia) and Reptiles (Reptilia) in Kresna Gorge (SW Bulgaria). — In: Beron P. (ed.) Biodiversity of Kresna Gorge, National Museum of Natural History, Institute of Zoology, 297—303. [PDF in Bulgarian, English summary].
B. Petrov. 2001. Bats (Mammalia: Chiroptera) in Kresna Gorge, SW Bulgaria. — In: Beron P. (ed.) Biodiversity of Kresna Gorge, National Museum of Natural History, Institute of Zoology, 325—330. [PDF in Bulgarian, English summary].
Petrov B. 2001. False Scorpions (Arachnida: Pseudoscorpiones) from Kresna Gorge, SW Bulgaria. In: Beron P. (ed.) Biodiversity of Kresna Gorge, National Museum of Natural History, Institute of Zoology, 69—73. [PDF in Bulgarian, English summary].
Petrov B., P. Stoev, Vl. Beshkov. 2001. Review of the species composition and distribution of the amphibians (Amphibia) and the reptiles (Reptilia) in the Eastern Rhodopes Mountain. — Historia naturalis bulgarica, 13: 127—153. [PDF in Bulgarian, English summary].
Petrov, B., S. Lazarov. 2000. Steatoda triangulosa (Walckenaer, 1802) feeding on a European Blind snake. — Newsl., Br. Arachnol. Soc., 88: 9—10. [PDF].
Petrov B. 2000. Cheiridiidae H. J. Hansen (Arachnida: Pseudoscorpiones), a new family for the fauna of Bulgaria. — Historia naturalis bulgarica, 11: 61—64. [PDF].
Petrov B. 1997. A review of Bulgarian pseudoscorpions (Arachnida, Pseudoscorpionida). — Proc. 16-th Europ. Coll. Arachnol., 261—269. [PDF].
Ivanova, T., P. Stoev, B. Petrov. 1995. Brachytarsina flavipenis Maquart, 1851 (Diptera, Streblidae) member of a new family for the Bulgarian fauna. — Historia naturalis bulgarica, 5: 35—26. [PDF].
Petrov B. 2004. Research on bats in forests: sharing the experience from Bulgaria and the knowledge from Central Europe. — Eurobatchat, 11: 5. [PDF].
Petrov B. 2006. EUROBATS for the bats of Bulgaria. — Pp. 40-43. In: EUROBATS Publication Series, No 1 — 1991—2006 EUROBATS celebrates its 15th anniversary. UNEP/EUROBATS Secretariat, Bonn, Germany, 116 pp. [PDF].
Petrov B. 2008. Bats — methodology for environmental impact assessment and appropriate assessment. A manual for developers, environmental experts and planning authorities. National Museum of Natural History-BAS, 88 pp. [PDF].
Petrov B., P. Stoev. 2007. The underground world of the mountain Rhodopes. — UNDP, ‘Rodope project’, 86 pp. [PDF in Bulgarian, English summary].
Interview for magazine OBEKTI (December 2010) [PDF (In Bulgarian)].
Interview for ProBG TV (November 2010) [video (In Bulgarian)].