TY  - BOOK
AU  - Hansen P Ed.
TI  - Studies on graphs and discrete programming
T2  - Annals of discrete mathematics; 11. North-Holland mathematical studies
U1  - B2893P, M1 
PY  - 1981///
CY  - Amsterdam
PB  - North-Holland Publishing        
KW  -  Group theory
KW  - Network analysis
N1  - Includes Bibliography
ER  -