000			00378nam a2200145Ia 4500
008			231217s9999 xx 000 0 und d
041			_aEnglish
082			_a301.3 _bKRE
100			_aKristensen, Thorkie
245		4	_aThe Earth's Fragile Systems _bperspective on global change
260			_aBoulder _bWestview Press _c1988
300			_a109
650			_aEcology
942			_cBK
999			_c12782 _d12782