TY  - BOOK
AU  - Koh K M Ed.
AU  -  Yap H P Ed.
TI  - Graph theory singapore
T2  - Lecture notes in mathematics; 1073
U1  - B44p1,N83, M4 
PY  - 1984///
CY  - Berlin
PB  - Springer-Verlag         
KW  - Graph theory
N1  - Includes bibliography
ER  -