1
by Poliakov
Published 1991
2
by Bovem
Published 1993
3
by Nabhani
Published 1999
4
by Bravmann
Published 1972
5
by Gerber
Published 1999
6
by Gibson
Published 2007
7
by Nabhani
Published 1990
8
by Bovem
Published 1993
9
by Bravman
Published 1972
10