000			00691cam a2200205 i 4500
020			_a0803909411 :
082	0	0	_a300 _bLAN
100	1		_aLangbein, Laura Irwin.
245	1	0	_aEcological inference / _cLaura Irwin Langbein, Allan J. Lichtman.
260			_aBeverly Hills, Calif. : _bSage Publications, _cc1978.
300			_a70 p. : _bill. ;
490	0		_aA Sage university paper
490	0		_aQuantitative applications in the social sciences ; ser. no. 07-010
504			_aBibliography: p. 68-70.
650		0	_aSocial sciences
650		0	_aSocial sciences
700	1		_aLichtman, Allan J.,
856	4	2	_uhttp://www.loc.gov/catdir/enhancements/fy0654/77093283-d.html
942			_cBK
999			_c303485 _d303485