Random coefficient models / Nicholas T. Longford. Longford, Nicholas T., 1955- Regression analysis. QA278.2 .L67 1993 519.536 20 LOR Includes bibliographical references (p. [257]-265) and index. Oxford [England] : Clarendon Press ; New York : Oxford University Press, c1993. c1993. 1993 Text xiv, 270 p. : http://www.loc.gov/catdir/enhancements/fy0603/93035629-d.html http://www.loc.gov/catdir/enhancements/fy0603/93035629-t.html eng Oxford statistical science series ; 11