00525     2200181   4500001002100000005001500021035002000036007000300056008004100059082001700100084002300117100002600140245008400166250001100250260004700261300002400308990001100332INLIS00000000006398520250630012654  a0010-0625000164ta250630                g          d eng    a639.2(061.3)  a639.2(061.3) CRU b1 aCRUTCHFIELD, James A.1 aBiological and economic aspects of fisheries management /cJames A. Crutchfield  aCet. 1  aSeattle :bUniversity of Washington,c1959  avi, 160p. ;c27 cm.  a270/60