Sparks, Norman R. Mechanical refrigeration/ Norman R. Sparks and Charles C. Dillio - 2nd ed. - New York: Mc Graw - Hill Book, 1959 - x, 283 p.: ill.; 23 cm.. Includes index ISBN: $ 8.00 Subjects--Topical Terms: Refrigeration and refrigerating machineryRefrigerators Dewey Class. No.: 621.56