Scheaffer, Richard L Elementos de muestreo / por Richard L Scheaffer, William Mendenhall and Lyman Ott - México, D.F. : Iberoamericana, 1987 - 321 - . LCCN: 167060 Subjects--Topical Terms: Muestreo estadÃstico I. Mendenhall, William II. Ott, Lyman Dewey Class. No.: 519.52 S3y