Robert Sadacca
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John P. Campbell,
Ani S. DiFazio,
Robert Sadacca,
1989
.
Robert Sadacca,
D. E. Sipes,
R. Sadacca,
2000
.
Cathy A. Stawarski,
Robert Sadacca,
Douglas Rosenthal,
1994
.
Ani S. DiFazio,
Robert Sadacca,
1991
.
Ani S. DiFazio,
Robert Sadacca,
Rodney A. McCloy,
1992
.
Robert Sadacca,
Dickie A. Harris,
Janice H. Laurence,
1994
.
Paul J. Sticha,
Ani S. DiFazio,
Paul F. Hogan,
1999
.
Robert Sadacca,
1990
.
Robert Sadacca,
Mary M Kralj,
Charlotte H Campbell,
1991
.
John P. Campbell,
Ani S. DiFazio,
Robert Sadacca,
1989
.