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Dean A. Kopsell, Carl E. Sams, T. Casey Barickman, Dennis E. Deyton, and David E. Kopsell
Pág. 438 - 442
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Andrew Jeffers, Marco Palma, William E. Klingeman, Charles Hall, David Buckley, and Dean Kopsell
Pág. 717 - 724
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Dean A. Kopsell, J. Scott McElroy, Carl E. Sams, and David E. Kopsell
Pág. 461 - 465
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Dean A. Kopsell, David E. Kopsell, and Joanne Curran-Celentano
Pág. 1230 - 1233
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