1
by Schaefer
Published 2010
2
by Schaefer
Published 2009
3
by Schaefer
Published 2001
4
by Schaefer
Published 2007
5
by Schaefer
Published 2008
6
by Schaefer
Published 2009
7
by Schaefer
Published 2012
8
by SCHAEFER
Published 1992
9
by SCHAEFER
Published 1963
10
by Schaefer
Published 1998
11
by Schaefer, Lofa M.
Published 2017
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12
by Hoyle
Published 2007
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13
by Spillner
Published 2011
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14
Published 1994
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15
by BRITTAIN
Published 1995
Other Authors: '; ...Schaefer,...
16
Published 2004
Other Authors: '; ...SCHAEFER,...