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K.D. Ritchey, L.D. Norton, A. Hass, J.M. Gonzalez, and D.J. Snuffer
Pág. 264 - 274
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Kevin Hallinan, Harvey Enns, Stephenie Ritchey, Phil Brodrick, Nathan Lammers, Nichole Hanus, Mark Rembert and Tony Rainsberger
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Ritchey, K.D.; Boyer, D.G.; Turner, K.E.; Snuffer, J.D.
Pág. 626 - 633
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Mehdi Setareh, John K. Ritchey, Thomas M. Murray, Jeong-Hoi Koo, and Mehdi Ahmadian
Pág. 242 - 250
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K. Dale Ritchey and Carol M. Schumann
Pág. 1516 - 1520
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D Caudell, AW Confer, RW Fulton, A Berry, JT Saliki, GM Fent, and JW Ritchey
Pág. 58 - 61
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He, Z.L.; Baligar, V.C.; Martens, D.C.; Ritchey, K.D.; Elrashidi, M.
Pág. 199 - 207
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