1
by Barbier
Published 2005
2
3
4
by Jones
Published 2006
5
6
by Masahide
Published 1992
7
8
by Barnett
Published 1988
9
by Mohammad Ariff
Published 1991
10
Published 2008
11
by Hng
Published 2003
12
by Montes
Published 1998
13
14
by Hou
Published 1965
15
Published 1999
16
17
18
Published 2014
19
by Dyson
Published 2014
20
by Brux
Published 2016