Abrahamovich, A. H., Díaz, N. B., & Morrone, J. J. (2004). DISTRIBUTIONAL PATTERNS OF THE NEOTROPICAL AND ANDEAN SPECIES OF THE GENUS BOMBUS (HYMENOPTERA: APIDAE). Instituto de Ecología, A.C.
Chicago-čujuhus (17. p.)Abrahamovich, Alberto H., Norma B. Díaz, juo Juan J. Morrone. DISTRIBUTIONAL PATTERNS OF THE NEOTROPICAL AND ANDEAN SPECIES OF THE GENUS BOMBUS (HYMENOPTERA: APIDAE). Instituto de Ecología, A.C, 2004.
MLA-čujuhus (9. p.)Abrahamovich, Alberto H., et al. DISTRIBUTIONAL PATTERNS OF THE NEOTROPICAL AND ANDEAN SPECIES OF THE GENUS BOMBUS (HYMENOPTERA: APIDAE). Instituto de Ecología, A.C, 2004.
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