R. Langford
发表
D. G. Butler,
E. Donaldson,
W. Clarke,
1969,
General and comparative endocrinology.
B. T. Scheer,
R. Langford,
1976,
General and comparative endocrinology.
D. G. Butler,
R. Langford,
1967,
Comparative Biochemistry and Physiology A.