RT Web Page SR Electronic(1) ID 13619326 A1 R. Niessen T1 Introduction YR 2015 FD 2015-05-26 NO Mechanical draft cooling towers, PB Begell House Inc. PP New York DO 10.1615/hedhme.a.000326 RD 2025-04-29 UL https://hedhme.com/content_map/?article_id=326&link_id=13619 WT HEDH Multimedia - Heat Exchanger Design Handbook, Multimedia Edition WP 2015-05-26