TY  - BOOK
AU  - Conference on "Spatial interaction theory and planning models", Bastad, Sweden, Aug. 29-31, 1977
AU  - Karlquist, Anders
TI  - Spatial interaction theory and planning models: : proceedings of an international research conference 
U1  - 309.250184 
PY  - 1978///
CY  - Amsterdam
PB  - North-Holland
ER  -