4
Published 2014
Available via JSTOR
eBook
5
by Walt, Stephen M., 1955-
Published 1987
Available via JSTOR
eBook
8
by Savir, Uri.
Published 2008
Available via EBSCO eBook Collection
eBook
9
Published 2010
Available via EBSCO eBook Collection
eBook
10
by Schwarz, Rolf.
Published 2011
Available via EBSCO eBook Collection
eBook
14