TY - GEN AU - Sauer, Harry J. AU - Howell, Ronald H TI - Principles of heating ventilating and air conditioning: a textbook supplement to the 1989 ASHRAE handbook fundamentals PY - 1990/// CY - Atlanta PB - American Society of Heating, Refrigerating and Air conditioning engineers KW - Heating KW - Textbooks KW - Ventilation KW - Textbooks. KW - Air conditioning ER -