TY - BOOK AU - Langbein,Laura Irwin AU - Lichtman,Allan J. TI - Ecological inference T2 - A Sage university paper SN - 0803909411 : AV - HA33 .L35 U1 - 300.15118 PY - 1978/// CY - Beverly Hills, Calif. PB - Sage Publications KW - Social sciences KW - Statistical methods KW - Mathematical models N1 - Bibliography: p. 68-70 UR - http://www.loc.gov/catdir/enhancements/fy0654/77093283-d.html ER -