Encyclopaedic dictionary of statistics / editors, O.P. Gupta, P.K. Mittal, M.P. Gupta. - New Delhi : Anmol Publications, 1989 - 3 v. : ill. 23 cm. ISBN: 8170411653 (set) Subjects--Topical Terms: Statistics--Dictionaries. Universal Decimal Class. No.: 310.95403