TY  - BOOK
AU  - Harary, Frank
TI  - Graph theory
SN  - 8185015554
U1  - 519.17 
PY  - 2001///
CY  - New Delhi
PB  - Narosa
KW  - ENUMERATION
KW  - GRAPH THEORY
N1  - Appendix on the four colour theorem by V Krishnamurthy
ER  -