00574     2200205   4500001002100000005001500021035002000036008003900056245008300095100001700178260002300195300003200218020001800250084002000268520001900288082001300307650001100320650002100331990001600352INLIS00000000000309920241021022720  a0010-1118003099241021                |          | |  1 aStructures assisting the migrations of non-salmonid fish : USSR /cD.S. Pavlov1 aPAVLOV, D.S.  aRome :bFAO,c1989  avii, 97 p. : ill. ;c30 cm.  a92-5-102857-5  aSr.FAO 639.2.21  aBibl. p. 80-88  a639.2.21 4aFISHES 4aANIMAL MIGRATION  a1029/FAO/90