TY  - BOOK
AU  - PORGES, John
TI  - Handbook of heating ventilating and air conditioning : useful tables and data...for ready reference
U1  - 697 P68H 
PY  - 1964///
PB  - London
KW  - HEATING - HANDBOOKS, MANUALS, ETC
KW  - VENTILATION - HANDBOOKS, MANUALS, ETC
ER  -