00417nam a2200133Ia 4500020001800000082002000018100002700038245003600065260003600101300001300137440006500150504002600215650004200241 a0-8039-5772-6 a300.15195 LEW-; aLewis-Beck, Michael S. 0aData analysis : an introduction aLondonbSage Publicationsc1995 aix, 77p. aSage University paper series on quantitative applications in aIncludes bibliography aSocial sciences - Statistical methods