C. Hixon
发表
E. Sparrow,
J. Lloyd,
C. Hixon,
1966
.
Basheer M. Khumawala,
Japhet S. Law,
B. M. Khumawala,
1986
.
Ephraim M Sparrow,
C. W. Hixon,
G. Shavit,
1967
.