Hobbs, Betty Constance Food poisoning and food hygiene / Betty C. Hobbs and Diane Roberts. - 6th ed. - San Diego, Calif. : Singular Pub. Group, 1993. - xiv, 391 p. : ill. ; 24 cm. Includes bibliographical references (p. [361]-372) and index. ISBN: 0340700270 Subjects--Topical Terms: Food handling.Food poisoning. Dewey Class. No.: 363.192 / HOB