TY  - BOOK
AU  - Pinkerton,J.B.
TI  - The heat pump, its practical application
AV  - TJ266 .P5
U1  - 621.5 
PY  - 1949///]
CY  - Westminster [London]
PB  - Princes Press
KW  - Heat pumps
N1  - Bibliography: p. 245-253
ER  -