000			00645nam a2200229Ia 4500
008			160601s9999 xx 000 0 und d
020			_a716705958
100			_aEhrlich H Anne _941463
100			_aEhrlich, Paul R _941383
100			_aHoldren P John _941464
245			_aHuman ecology
245			_bproblems and solutions
260			_aSan Francisco
260			_bW H Freeman and company
260			_c1973
300			_axi, 304 p.; ill 24cm.
650			_aEcology - social aspects _919621
650			_aHuman ecology _949
650			_aHuman environment _950
650			_aHuman geography _91223
650			_aHuman population _941465
999			_c14046 _d14046