Heldman, Dennis R. Food process engineering / by Dennis R. Heldman and R. Paul Singh. - 2nd ed. - Westport, CT : Avi Pub. Co., c1981. Includes bibliographies and index. ISBN: 0870553801 LCCN: 80027689 Subjects--Topical Terms: Food industry and trade. LC Class. No.: TP370 / .H44 1981 Dewey Class. No.: 664