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by Fred L. Mannering, Scott S. Washburn
by Washburn, Scott S.; Mannering, Fred L.
by Mannering, Fred L.; Washburn, Scott S.
by Fred L. Mannering and Scott S. Washburn
by Mannering, Fred L.
by Mannering, Fred L
by Orlov, Shaithis
by Fred L. Mannering; Scott S. Washburn
by Fred L. Mannering (Purdue Univeristy ); Walter P. Kilareski (Pennsylvania State Univ.); Scott S. Washburn (University of Florida )