1
Published 2001
Electronic
4
by Leaverton, Paul E
Published 1989
Book
5
Published 1989
Book
7
Published 1991
Book
8
Published 1996
Book
9
Published 2000
Book
10
by Fienup, Darrell F
Published 1972
Book
11
by Kuznets, Kuznets
Published 1976
Book
12
by Durá, José M
Published 1988
Book
13
by Merrill, William C
Published 1977
Book
14
Published 1995
Book
15
Published 1999
Book
16
Journal
17
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