Dear all, One of our scientists is in need of the below mentioned article. Anyone having the article may please forward it to me: Time scale algorithms using Kalman filters-insight from simulation. Paper presented in 2nd symposium on'atomic time scale algorithms' June 23-25, 1982. published by IOP science. regards, Librarian, ISTRAC/ISRO, Plot No. 12 & 13, 3rd Main, 2nd Phase, Peenya industrial Area, Bangalore-560058, Phone. N0. 28094115, fax: 28094117 -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.