00607     2200193   4500001002100000008004100021035002000062245009900082100002100181260004500202300005500247084001600302082001800318650001000336650001900346650002200365650001500387990001100402INLIS000000000002593                                   Ind    a0010-1118002593  aEcology and population dynamics of the common Eider in the Dutch wadden seacSWENNEN, Cornelis  aCornelis Swennen  aGroningenbUniversity of Groningenc1991  a143 p. : ill. ; 24 cm.--c143 p. : ill. ; 24 cm.--  a598.412SWEe  a598.412(492)_  aDUCKS  aANIMAL ECOLOGY  aPOPULATION CHANGE  aNETHERLAND  a189/92