1
by Neumann
Published 2010
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by Palmer
Published 1998
4
by Solberg
Published 2007
5
by Whiting
Published 2008
6
7
8
by McRae
Published 2010
9
Published 2012
10
by Manaster
Published 2007
11
by Seffinger
Published 2007
12
by Ip
Published 2007
13
by McRae
Published 2004
14
by Ritchie
Published 2008
15
Published 2011
16
Published 2014
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17
by Manaster, B.J.
Published 2013
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18
by Clarkson, Hazel M.
Published 2013
19