TY  - BOOK
AU  - Picard,Claude Francois
TI  - Graphs and questionnaires
SN  - 0444852395
PY  - 1980///
CY  - Amsterdam
PB  - North-Holland Publishing Company
KW  - Graph theory
N1  - Abridged translation of Graphes et questionnaires; Includes index; Bibliography: p.401-419
ER  -