000			00452nam a2200145Ia 4500
008			140215s9999 xx 000 0 und d
020			_a0 521 21504 8
084			_aG _bPIN;1977
100			_aPinowski, Jan.
245			_aGranivorous Birds in ecosystems : Theri evolution populations enegetics adaptations impact and control / _b
260			_bCambridge University Press , _aCambridge : _c1977
300			_a431p :
650			_aBiology
942			_2cc _cBK
999			_c5091 _d5091