00254nam a2200109 a 450000500170000008200170001710000130003424500220004726000270006930000210009649000270011720251203090508.0  a597,bD, bon  aBone, Q.  aBiology of fishes  aGlasgowbBlackiec1982  aix, 253p, 22 cm.  aTertiary level biology