Williams, Hal. Mechanical refrigeration : being a practical introduction to the study of cold storage, ice-making, and other purposes to which refrigeration is applied / H. Williams. - 5th ed. - London : Pitman, 1941. - 564 p. : ill., diagrs., tables ; 22 cm. Subjects--Topical Terms: MCERefrigeration and refrigerating machinery. Dewey Class. No.: 621.57 / WIL