000			00523nam a2200181Ia 4500
008			170101s2011 xx 000 0 und d
020			_a9781107610712
082			_a631 C54C
100			_aConnor, D.J
245		0	_aCrop Ecology: Productivity and management in agricultural systems
250			_a2nd ed.
260			_aCambridge _bCambridge University Press _c2011
300			_a24cm.: 556
650			_aAGRICULTURAL ECOLOGY
653			_aAGRICULTURAL ECOLOGY
653			_aAGRICULTURAL SYSTEMS
942			_2ddc _cB _01
999			_c147863 _d147863