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Don C. Elfving, Stephen R. Drake, A. Nathan Reed, and Dwayne B. Visser
Pág. 1192 - 1199
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Don C. Elfving and Dwayne B. Visser
Pág. 251 - 256
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Elfving, Don C, Visser, Dwayne B
Pág. 149 - 153
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Don C. Elfving and Dwayne B. Visser
Pág. 119 - 122
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Andersson, B. Elfving, B. Ericsson, T. Persson, T. Gregorsson, B.
Pág. 199 - 207
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Karlsson, A. Albrektson, A. Elfving, B. Fries, C.
Pág. 256 - 262
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