TY - BOOK AU - Porges, Fred TI - HVAC engineer's handbook. (9th ed.) SN - 0750614811 AV - TH 7225 Por PY - 1991/// CY - Oxford PB - Butterworth-Heinemann KW - TEXTBOOKS KW - Heating - Handbooks, manuals, etc KW - VENTILATION--HANDBOOKS, MANUALS, etc N1 - Rev. ed. of: Handbook of heating, ventilating, and air conditioning. 8th ed. 1982 ER -