TY  - BOOK
AU  - Cvetkovic Dragos M
AU  - Doob Michael
AU  - Sachs Horst
TI  - Spectra of graphs : theory and applications
SN  - 0-12-195150-2
U1  - 511.5 
PY  - 1979///
CY  - NY
PB  - Academic Press
KW  - Graph theory
ER  -