000			00730nam a2200253Ia 4500
005			20120809142738.0
008			080211s9999 xx 000 0 und d
040			_asipr
041			_aeng
090			_c2944 _d2944
100			_aRyan, John C
245			_aConserving biological diversity _hchapter
260			_aNew York, Norton _c1992
300			_app. 9-26
650			_anatural resources _x environment
650			_a biology _x environmental damage
650			_a ecology
653			_aspecies
710			_aWorldwatch institute
773	0		_tState of the world 1992. A Worldwatch institute report on progress toward a sustainable society
942			_jENVIRONMENT _cCHAP
946			_a923
999			_c2933 _d2933