TY  - BOOK
AU  - Harary,Frank
TI  - Graph theory: with a foreword and an Appendix on the Four Colour  
T2  - Addison-Wesley series in mathematics
SN  - 8185015554
U1  - 511.5 
PY  - 1969///] [Reprent 2001]
CY  - Reading, Mass.
PB  - Addison-Wesley Pub. Co.
KW  - Graph theory
N1  - Bibliography: p. [237]-262
ER  -