TY  - BOOK
AU  - Johnson David E
AU  -  Johnson Johny R
TI  - Graph theory :with engineering applications
U1  - B44:(D), L2 
PY  - 1972///
CY  - New York    
PB  -  The Ronald Press      
KW  - Graph theory
N1  - Appendix 363-382p; Bibliography 383-384p
ER  -