Winter air conditioning;
forced warm-air heating.
Based primarily on results of research on the subject at the University of Illinois as published in University of Illinois engineering experiment station bulletin no. 266. Supplemented with data from other sources and with comments by the editor. Edited by S. Konzo.

APA Citation

Konzo, S., National Warm-Air Heating and Air Conditioning Association (U.S.)., University of Illinois (Urbana-Champaign campus). Engineering Experiment Station. (1939). Winter air conditioning: forced warm-air heating. Columbus, O.: National warm air heating and air conditioning Association.

MLA Citation

Konzo, Seichi, 1905-1992, National Warm-Air Heating and Air Conditioning Association (U.S.), and University of Illinois (Urbana-Champaign campus). Engineering Experiment Station. Winter Air Conditioning: Forced Warm-air Heating. Columbus, O.: National warm air heating and air conditioning Association, 1939.

Warning: These citations may not always be complete (especially for serials).