000			00293cam a22001211 4500
050	0	0	_aHB851
100	1		_aYoung, Louise B.,
245	1	0	_aPopulation in perspective,
260			_aNew York, _bOxford University Press, _c1968.
300			_axvii, 460 p. _billus.
650		0	_aPopulation.
942			_cBK
999			_c247 _d247