000			00365nam a2200133Ia 4500
008			200122s9999||||xx |||||||||||||| ||und||
080			_aJG-28 _b(1-4)
100			_aBirren, James E, Ed., at al.
245		0	_aJournal of Gerontology, Vol.28 (1-4)
260			_bGerontological Society, _c1973
300			_a564 p.
650			_aJournal of Gerontology
942			_cREF
999			_c259696 _d259696