TITLE:  Large sample theory of estimation in biased sampling regression models I 
AUTHOR:  P.J. Bickel and Y. Ritov 
DATE: Sept. 1987 (revised Aug 1988)
PUB:  
URL: 
TEXT: 115. BICKEL, P.J. and RITOV, Y. (Sept. 1987, revised Aug 1988). Large sample theory of estimation in biased sampling regression models I.
ABSTRACT: