RT Web Page SR Electronic(1) ID 420328 A1 R. Niessen T1 Packing YR 2015 FD 2015-05-26 NO Cooling Towers PB Begell House Inc. PP New York DO 10.1615/hedhme.a.000328 RD 2024-11-25 UL https://hedhme.com/content_map/?article_id=328&link_id=420 WT HEDH Multimedia - Heat Exchanger Design Handbook, Multimedia Edition WP 2015-05-26