RT Web Page SR Electronic(1) ID 3002915515 A1 C. E. Baukal T1 Gas Recirculation Systems YR 2017 FD 2017-02-24 NO Furnaces and Combustion Chambers PB Begell House Inc. PP New York DO 10.1615/hedhme.a.015515 RD 2024-05-13 UL https://hedhme.com/content_map/?link_id=30029&article_id=15515 WT HEDH Multimedia - Heat Exchanger Design Handbook, Multimedia Edition WP 2017-02-24