Ralph Butler
发表
Chrisila C. Pettey,
Ralph Butler,
2008
.
Larry Wos,
William McCune,
Ewing L. Lusk,
1991
.
Roger Eggen,
Ralph Butler,
Susan R. Wallace,
1988,
Conference Proceedings '88., IEEE Southeastcon.
James H. Patterson,
Ewing Lusk,
Rick Stevens,
1987
.
Ewing Lusk,
Ralph Butler,
E. Lusk,
1992
.
William Gropp,
E. Lusk,
Ralph Butler,
1993,
Proceedings. Workshop on Heterogeneous Processing,.
Alternative Study for the Breakwater and Fishing Pier Rehabilitation at Playland Park, Rye, New York
Michael J. McCarthy,
Ralph Butler,
Joseph Bonasia,
1992
.