1
Published 1987
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2
by Nelson, Stephen L.
Published 2007
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4
by Nelson, Stephen L., 1959-
Published 2011
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5
by Nelson, Stephen L.
Published 2010
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6
by Nelson, Stephen L., 1959-
Published 2008
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7
by O'Brien, Stephen K.
Published 1999
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8
by Nelson, Stephen L., 1959-
Published 2012
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9
by Nelson, Stephen L., 1959-
Published 2003
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10
by Nelson, Stephen L.
Published 2008
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