00547cam a22002051a 4500 sa 63000096 DLC 20260227111919.0 850423s1962 ii a 00000 eng sa 63000096 /L/r862 PL 480:I-E-534 DLC/ICU ICU DLC QC255 .S57 1962 Singh, Harnam. Principles of heat, for degree classes. New 5th ed., improved & enl. Delhi, Atma Ram, 1962. 315 p. illus. 23 cm. Heat. 53312 53312