TY  - BOOK
AU  - 
ED  - Symposium on Heating--Cooling Switchover Systems
TI  - Heating--cooling switchover systems: proceedings..
U1  - 697 
PY  - 1965///
CY  - New York
PB  - American Society Of Heating, Refrigerating And Air-Conditining Engineers
N1  - Semi-Annual Meeting
ER  -