1
by EHLERS
Published 2001
2
by WOLF
Published 2002
3
by BERNSTEIN
Published 2001
4
by HAUGEN
Published 1998
5
by GUPPY
Published 2003
6
by Mandelbrot
Published 2008
7
by HAUGEN
Published 1995
8
by BERNSTEIN
Published 1998
9
by CORNELL
Published 1999
10
Published 1970
11
Published 1988
12
Published 1990
13
by PIERCE
Published 1982
14
by FOSTER'S
Published 1965
15
Published 1970
16
Published 1989
17
by GIFFEN
Published 1968
18
by MOORE
19
by NEILL
Published 1970