000 00352nam a2200121 4500
082 _a300.182
_bLAN.E
100 _aLangbein, Laura Irwin
245 _aEcological inference /
_cby Laura Irwin Langbein and Allan J Lichtman
260 _aNew Delhi :
_bSage Publications,
_c1978.
300 _a70p. :
650 _aEcological inference
942 _cBK
_2ddc
999 _c288976
_d288976