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ISSN:2161-6027|28|3|20-25

AHS International‎(1983)‎

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By Pryputniewicz Susan   Rutkowski Michael   in Proceedings of the Water Environment Federation

ISSN:1938-6478|2004|14|538-554

Water Environment Federation‎(2004)‎

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By Rutkowski Michael J.   Ruzicka Gene C.   Ormiston Robert A.   Saberi Hossein   Jung Yoon   in Journal of the American Helicopter Society

ISSN:2161-6027|40|4|3-17

AHS International‎(1995)‎

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