1
2
3
4
by Pindyck, Robert S.
Published 1998
5
by Schotter, Andrew R.
Published 1997
6
7
by Parkin, Michael.
Published 1990
8
by Pindyck, Robert S.
Published 1995
9
10
by Parkin, Michael.
Published 1999
11
by Frank, Robert H.
Published 1997
12
by Whaples,Robert
Published 1998
13