TY  - BOOK
AU  - Symposium on Combinatorics and Graph Theory, Indian Statistical Instt., Calcutta, Feb. 25-29, 1980
AU  - Rao, S. B.
TI  - Combinatorics and graph theory; proceedings
U1  - 511.6 
PY  - 1981///
CY  - Berlin
PB  - Springer-Verlag
ER  -