TY  - BOOK
AU  - Harary, Frank
TI  - Graph theory; with a foreword and an appendix on the four colour theorem by V Krishnamurthy
U1  - 511.5 H212G 
PY  - 2001///
CY  - new Delhi
PB  - Narosa Publishing House
N1  - 2502 29/07/2013 36302 29/08/2013 Math (P) Seema Mehra Berwal
ER  -