Langley, Billy C., 1931- Basic refrigeration / Billy C. Langley. - Reston, Va. : Reston Pub. Co., c1982. - ix, 374 p. : ill. ; 25 cm. Includes index. ISBN: 0835904172 : $21.95 Subjects--Topical Terms: Refrigeration and refrigerating machinery. Dewey Class. No.: 621.56 / LAB 1982