TY  - BOOK
AU  - MACMICHALL, D. B. A ,REAY, D. A
TI  - HEAT PUMPS
SN  - 0-08-033463-6
U1  - 536.2 REB'H   
PY  - 1958///
CY  - NEWYORK
PB  - PERGMAN
ER  -