000			01049cam a2200253 4500
999			_c4925 _d4925
001			2691331
005			20200627094505.0
008			700626s1970 caua bs 001 0 eng
020			_a0716706806
040			_cDLC
082	0	0	_a301.3 _bE337
100	1		_aEhrlich, Paul R.
245	1	0	_aPopulation resources environment : _bissues in human ecology _c/ Paul R. Ehrlich and Anne H. Ehrlich.
260			_aIslamabad : _bNBF, _c1970
300			_a383 p. : _billus. _c26 cm.
490	0		_aA Series of books in biology
500			_aThird ed. published in 1977 under title: Ecoscience.
650		0	_aPopulation.
650		0	_aPollution.
650		0	_aHuman ecology.
700	1		_aEhrlich, Anne H.,
942			_cBK
505	0		_anumbers of people; population structure and projection; the limits of the earth; food production; environmental threats to man; ecosystems in jeopardy; optimum population and human biology; birth control; family planning and population control; social, political and economic change; the international scene