TY  - BOOK
AU  - Balakrishnan, V.K 
TI  - Combinatorics: including concepts of graph theory 
SN  - 007-003575-X 
U1  - 511.5 BAL  
PY  - 1995///
CY  - Schaum's outline series 
PB  - New York 
KW  - MATHEMATICS
ER  -