TY  - BOOK
AU  - Engstrom,Mats-G.
AU  - Sahlberg,Bengt
TI  - Travel demand, transport systems and regional development: models in co-ordinated planning 
SN  - 914003237X
PY  - 1973///
CY  - Dept. of Geography : Lund
PB  - Royal University of Lund
KW  - Transportation
KW  - Sweden
KW  - Mathematical models
KW  - Regional planning
N1  - Includes bibliographical references
ER  -