1
by Cohn, Theodore H, 1940-
Published 2005
2
Published 1997
3
Published 2002
4
by Veseth, Michael
Published 1998
5
by Langley, Paul, 1972-
Published 2002
6
by Krugman, Paul R.
Published 2005
7
by Husted, Steven L.
Published 2007
8
Published 1999
9
by Sassen, Saskia
Published 2001
10
Published 2000
11
by Gandolfo, Giancarlo
Published 2002
12
by Gilpin, Robert
Published 2001