00627     2200229   4500001002100000005001700021008004100038035001200079035002500091082000800116090001300124100001800137245010600155260002900261300001600290650001800306695001200324700002700336850000600363980001500369999001300384NADAR-0609000001540320090604094543.0170309|||||||||   |   |||   |||| ||ind||  aJBUNIPB  a0010-0609000000154030 a597  a597bBAE0 aBaerends, G.P00aAn introduction to the study of the ethology of cichlid fishescG.P. Baerends; J.M. Baerends-Van Roon  aLeidenbE.J. Brillc1950  ahlmbilccm 0aZoologyxFish  aCichlid0 aBaerends-Van Roon, J.M  aP  a15-10-1990  a11119816