000			00515nam a2200181Ia 4500
003			NIELib
008			211019s9999||||xx |||||||||||||| ||und||
020			_a0716705672
082			_bEHR _a304.2
100			_aEhrlich, Paul R.
245			_aEcoscience : Population, Resources, Environment
260			_bW. H. Freeman and Company, _c1970. _aSan Francisco:
300			_a1051p.; _c24 cm
650		0	_aFactors affecting social behavior
700			_aEhrlich, Anne H.
700			_aHoldren, John P.
942			_2ddc _cSR
999			_c40790 _d40790