P. Rao
发表
R. Gupta,
P. Rao,
1964
.
V. Reddy,
C. Reddy,
P. Rao,
1979
.
P. Rao,
2000
.
C. Janaiah,
P. Rao,
P. Surender,
1988
.
B. Sinha,
V. Maina,
P. Rao,
1998
.
P. Hajra,
V. Mudgal,
P. Rao,
1999
.