000			003300000a22001330004500
008			140223b1968 xxu||||| |||| 00| 0 eng d
041			_aEng
080			_aK96:5 K8
082			_aK96:5 K8
100			_aLACK David
245			_aEcological adaptations for breeding in birds.
260			_aLondon _bMethuen _c1968
650			_aAVES
999			_c229959 _d229959