Dear Sir, I request to send a copy of yhe paper with details given below, as it is required by our User. 1.Mathematical modelling of an earth sensor Markland, C. A. In: Symposium on Automatic Control in Space, 7th, Rottach-Egern, West Germany, May 17-21, 1976, Preprints. Volume 2. (A77-24777 10-12) Duesseldorf, VDI/VDE-Gesellschaft Mess- und Regelungstechnik, 1976, p. 412-427. With regards, Y.A. JANARDANA GUPTA LIBRARIAN, LEOS/ISRO Peenya 1st stage Bangalore-58 ---------------------------------------------------------------- This mail contains PRIVILEGED AND CONFIDENTIAL INFORMATION intended solely for the use of the addressee(s). If you are not the intended recipient, please notify the sender by e-mail and delete the original message. LEOS has taken every reasonable precaution to remove any viruses however you should also carry out your own virus checks before opening the e-mail or attachment. -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.