TY - BOOK AU - Heap,R.D. TI - Heat pumps SN - 0419126007 U1 - TH/7638 PY - 1983/// CY - London PB - New York KW - Heat pumps. N1 - Abstracts Includes index. Abstracts Includes index. Bibliography: p. 195-198. Notes Registration no: 7056 (1al), 7057 (2al) Abstracts Includes index. Abstracts I New campus (c1,2) ER -