Dear Friends One of our faculty requires the following two articles. 1. Hartley, H.O. (1962) " Multiple frame surveys" Published in American Statistical Association Proceedings of the Social Statistics Section, pp. 203-206 2.Lund, R.E. (1968) " Estimators in multiple frame surveys" Published in American Statistical Association Proceedings of the Social Statistics Section, pp. 282-288 K. Praveen Kumar IIPS, Deonar Mumbai -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.