Shukla, M. C. Statistics : theory and practice / M. C. Shukla and S. S. Gulshan. - 7th enl. ed. - New Delhi : S. Chand, 1994 [Reprints 1983]. - vi, 870 p. : ill. ; 23 cm. Subjects--Topical Terms: Mathematical statistics. Statistical Mathemetics Dewey Class. No.: 519.5 / SHS 1994