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RS Singer, CL Cooke, CW Maddox, RE Isaacson, and RL Wallace
Pág. 319 - 325
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SK Patterson and RS Singer
Pág. 172 - 181
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RS Singer, NJ MacLachlan, and TE Carpenter
Pág. 43 - 49
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RS Singer, WO Johnson, JS Jeffrey, RP Chin, TE Carpenter, ER Atwill, and DC Hirsh
Pág. 118 - 125
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