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Vincent Martineau, Mark Lefsrud, Most Tahera Naznin, and Dean A. Kopsell
Pág. 477 - 482
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Carl E. Sams, Dilip R. Panthee, Craig S. Charron, Dean A. Kopsell, and Joshua S. Yuan
Pág. 23 - 34
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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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Mark W. Farnham and Dean A. Kopsell
Pág. 1248 - 1253
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Mark Lefsrud, Dean Kopsell, Adam Wenzel and Joseph Sh
Pág. 136 - 141
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Dean A. Kopsell, J. Scott McElroy, Carl E. Sams, and David E. Kopsell
Pág. 461 - 465
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Wik, Ron M, Fisher, Paul R, Kopsell, Dean A, Argo, William R
Pág. 244 - 251
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Dean A. Kopsell, David E. Kopsell, and Joanne Curran-Celentano
Pág. 1230 - 1233
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Kopsell, Dean A; Randle, William M
Pág. 329 - 335
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