000			00606nam a2200217Ia 4500
008			220516s9999 xx 000 0 und d
020			_a0878721681
041			_aeng
082			_a301.31 _bGRE/H
100			_aGreenwood, N.H.
245		0	_aHuman environment and natural systems _c / by N.H. Greenwood and J.M.B. Edwards
250			_a2nd ed.
260			_aCalifornia: _bWadsworth Publishing Company, Inc., _c1979.
300			_axii, 548p.
650			_aHuman population
650			_aRenewable fuels
650			_aSociology
650			_aSolid wastes
700			_aEdwards, J.M.B.
942			_cBK
999			_c2212 _d2212