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by Etnier, D. A.; Starnes, Wayne C.
by Betsch, Gerhard
by Mason, J H
by McGregor, C M; Nimmo, J J C; Stothers, W W
by Williams, Derita Coleman; Harsh, Nathan
by Coull, A.; Stafford Smith, B.
by Herrmann, George
by Jaron, Dov
by Machovec, George
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