Clarkson R. W., Robinson A. t., Hoffnagle T. L., 1997: Asian tapeworm (Bothriocephalus acheilognathi) in native fishes from the Little Colorado River, Grand Canyon, Arizona. 4 pp.
 
95388
Cook S. F., 1926: The effects of certain heavy metals on respiration. 27 pp. (in English). The Journal of General Physiology 9(4): 575-601.
 
PSC 108
Costa M. J., Almeida P. R., Costa J. L., Assis C. A., Moreira F., 1993: Algumas notas sobre a capacidade adaptativa da enguia europeia, Anguilla anguilla (L., 1758), e das taihnas (Fam. Mugilidae): referencia especial as populacoes do tejo. 17 pp.
 
REP 170
Couper P. J., Hamley B., Hoskin C. J., 2008: A new species of Phyllurus (Lacertilia: Gekkonidae) from the kilkivan district of south-eastern Queensland. 9 pp. (in English). Memoirs of the Queensland Museum 52(2): 139-147.
 
AVE 90
Cova C. T., 1979: Considerations sur la faune ornithologique migratrice italienne. 5 pp.
 
AVE 89
Cova C. T., 1979: Incidence des insectivores dans la faune ornithologique italienne et leur consommation alimentaire. 4 pp.
 
AVE 15
Cova C. T., Groppali R., Pavan M., 1979: L’experience Italienne au sujet de l’utilisation du nid artificiel pour la reproduction des oiseaux insectivores. 13 pp.
 
AVE 91
Craig J. L., Bunn T. J., 1989: The effects of experimental manipulation of food supplies on a population of Rattus exulans. 7 pp.
 
8660
Creutz G., 1956: Vögel am Gebirgsbach. Mit 44 Aufnahmen von Georg Hoffman/Radeberg u.a. 91 pp.
 
AVE 92
Creutz G., 1988: Die Vögel des Neschwitzer Parkes. 13 pp.
 
MAM 94
Csorba G., Topál G., 1994: First record and taxonomic status of Megaderma lyra from Vietnam (Mammalia, Chiroptera). 8 pp.
 
PSC 30
Cunha Bastos V. L. F., Folly E., Rossini A., Ceccarelli P. S., Senhorini J. A., Bastos J. C., 1998: Paraoxonase activity in liver of pacu, Piaractus mesopotamicus Holmberg (Characidae). 9 pp. Revta bras. Zool. 15(3): 677-685.
 
PSC 31
Cunha Bastos V. L. F., Rossini A., Alves M. V., Ceccarelli P. S., Lima J. A. F., Bastos J. C., 1998: Paraoxonase activity in sera from Piaractus mesopotamicus Holmberg (Characidae) and Hypostomus punctatus Valenciennes (Siluridae). 11 pp. Revta bras. Zool. 15(3): 665-675.
 
AVE 93
Cyprich D., Krumpál M., Nagy R., 1992: Prieskum fauny hniezd Columba livia f. domestica L. na juhozápadnom Slovensku. 8 pp.