1
by Farber, Barry J.
Published 1995
2
by Cloud, Henry
Published 2005
3
by Mckenna, Paul
Published 2004
4
by Michaels, Richard.
Published 1978
5
by Vitale, Joe
Published 2005
6
by GLADWELL, MALCOLM
Published 2014
7
by Jaap, Tom.
Published 1982
8
by Pedler, Mike.
Published 1985
9
by Davidson, Jeff
Published 2003
10
by Forrest, Andrew.
Published 1996
11
12
by Lo, Bryan
Published 2008
13
by Corley, Thomas C.
Published 2009
14
by Emery, Gary.
Published 1992
15
by Macdonald, Janet W.
Published 1986
16
by McCallister, Linda.
Published 1994
17
by Torquato, John.
Published 1983
18
by Kopmeyer, M.R.
Published 1994
19
Published 1986
20
by Emmerling, John.
Published 1991