John Roorda
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John Roorda,
1988
.
John Roorda,
1979
.
John Roorda,
S. S. Seleim,
J. Roorda,
1986
.
John Roorda,
1972
.
John Roorda,
Igor Raskin,
1998
.
John Roorda,
Igor Raskin,
1995
.
John Roorda,
Kothapalli R. Venkataramaiah,
1971
.
John Roorda,
Igor Raskin,
J. Roorda,
1999
.
John Roorda,
J. Roorda,
1975
.
Mohamed Abdel-Mooty,
John Roorda,
M. Abdel-Mooty,
1994
.
John Roorda,
J. S. Hansen,
1974
.
Mohamed Abdel-Mooty,
John Roorda,
M. Abdel-Mooty,
1991
.
John Roorda,
J. Roorda,
1965
.
Mohamed Abdel-Mooty,
John Roorda,
1991
.
Dinar Camotim,
John Roorda,
D. Camotim,
1983
.