00662     2200193   4500001002100000008004100021035002000062245008200082100001400164260003700178300004900215084001800264520010200282082001400384650002000398650001900418650001600437990001500453INLIS000000000026290                                   Ind    a0010-1218008128  aComparative-ecological studies of some East-African birds of preycSMEENK, C.  aC. Smeenk  aWageningenbPonsen Looijenc1974  a87 p. : ill. ; 24 cm.c87 p. : ill. ; 24 cm.  a591.5(69)SMEc  aThesis(Doctor in de Wiskunde en Natuurkunde Wetenschappen)-aan de Vrije Universiteit te Amsterdam  a591.5(69)  aPREDATORY BIRDS  aANIMAL ECOLOGY  aEAST AFRICA  a281/DTS/75