1
by Schilling
Published 2010
2
by Trott
Published 2008
3
by Caenegem
Published 2007
4
by Mokyr
Published 1990
5
by PINE
Published 1993
6
by Merges
Published 2010
7
8
by May
Published 2007
9
by Mayer-Schonberger
Published 2013
10
by Betz
Published 2003
11
by Lang
12
by Trott
Published 2012
13
by Posadas
Published 2007
14
by SOKOLIK
Published 1999
15
by Wibbeke
Published 2009
16
by LINK
Published 1987
17
Published 1999
18
Published 1997
19
Published 1991
20
by NOORI
Published 1990