Schrock, Edward M. Quality control and statistical methods. - New York, Reinhold [1950] - xi, 213 p. diagrs. 24 cm. Bibliography: p. 211. LCCN: 50006999 Nat. Bib. No.: GB50-7185 Subjects--Topical Terms: Quality control. Dewey Class. No.: 310 / SCQ 1957