SOME OBSERVATIONS ON THE MASS MORTALITY OF THE FRESHWATER FISH RUTILUS RUTILUS (L.).
D000818:Animals; D003530:Cyprinidae; D056890:Eukaryota; D005399:Fishes; D005618:Fresh Water; D010271:Parasites; D014852:Wales; D014876:Water Pollution
FISHES; PARASITES; PROTOZOA; WALES; WATER POLLUTION