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 | FRONT PAGES | |
 | Tomasik L., Sobociński A., Effect of salinity on motility and viability of salmonid spermatozoa ABSTRACT | |
 | Chełkowski Z., Chełkowska B., Occurrence of salmon (Salmo salar L.) in the Szczecin Firth and Lower Odra in 1976 ABSTRACT | |
 | Jurkowski M., Stachowiak M., Białow±s J.W., Effects of certain stress situations and of DBS on acetylcholinetransferase, acetylcholinesterase, and monoamineoxidase activities in various regions of brain of juvenile carp, (Cyprinus carpio L.) ABSTRACT | |
 | Węgrzynowicz R., Zbanyszek R., Kłyszejko B., Głębocka G., Effect of crude oil on tissue respiration of eel, Anguilla anguilla (L.) kept in water at 18° and 24°C ABSTRACT | |
 | Janusz J., Occurrence of the parasite Clavella adunca (Strřm, 1762) (Copepoda parasitica: Lernaeopodidae) on the cod (Gadus morhua L.) from north Atlantic waters ABSTRACT | |
 | Jurkowski M., The effect of DBS on survival of juvenile perch (Perca fluviatilis L.) in relation to certain physical factors ABSTRACT | |
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