861
by Stafford-Yilmaz
Published 2005
862
by Powers
Published 2010
863
864
865
866
867
868
869
870
871
by Matsushita
Published 1974
872
by Benjamin
Published 2007
873
by Luthans
Published 2011
874
by Stewart
Published 2008
875
by Cooper
Published 2009
876
by Gross
Published 2010
877
Published 2011
878
by Moreira
Published 2008
879
by Bretag
Published 2009
880
by Tubbs
Published 2010