Caplen, Rowland. 1982 A practical approach to quality control / Rowland Caplen. - 4th ed. - London : Brookfield, Vt. : Business Books ; Renouf USA [distributor], 1982. - ix, 326 p. : ill., tables and graphs ; 22 cm. Distributor from label on p. i. Includes index. ISBN: 0091474515 (pbk.) : £6.95 LCCN: 83183983 Subjects--Topical Terms: Quality control. LC Class. No.: TS156 / .C17 1982 Dewey Class. No.: 658.5/62