00617     2200181   4500001002100000008004100021035002000062245013600082100001500218260006800233300004900301084001600350520001100366082001200377650001900389650001300408990001400421INLIS000000000023558                                   Ind    a0010-1218005396  aComparison of estimaties of egg production of the southern bicht cod stock from plankton surveys and market statisticscDAAN, Niels  aNiels Daan  aIjmuidenbNetherlands Institute for Fishery Investigationc1976  a28 p. : ill. ; 29 cm.c28 p. : ill. ; 29 cm.  a639.223DAAc  a674/80  a639.223  aEGG PRODUCTION  aPLANKTON  amfn-25412