TY  - BOOK
AU  - Roubens,Marc
ED  - European Congress on Operations Research
ED  - Association of European Operational Research Societies
TI  - Advances in operations research: proceedings 
SN  - 0720407184 :
U1  - 001.424 
PY  - 1977///
CY  - Amsterdam
PB  - North-Holland Pub.
KW  - Operations research
KW  - Congresses
N1  - Includes bibliographical references and index
ER  -