000 00343nam a2200133Ia 4500
008 220721s1989 xx 000 0 und d
041 _aeng
082 _a595.7
100 _aMcfarland, David
245 _aProblems of Animal Behaviour
260 _aNew York
_bLongman Scientific and Technical
_c1989
300 _a158P.
999 _c83752
_d83752