na INLIS000000000023982 Ind 0010-1218005820 Osmotic regulation in aquatic animals KROGH, August August Krogh Cambridge University Press 1939 242 p. : ill. ; 22 cm. 242 p. : ill. ; 22 cm. 639.6KROo Index: p. 239-242 639.6 AQUATIC ANIMALS OSMOREGULATION mfn-25837