TY  - BOOK
AU  - Karlqvist Anders, and others Ed.
TI  - Spaatial interaction theory and planning models
T2  - Studies in regional science and urban economics.3.. Research Group for Urban and Regional Planning. Royal Institute of Technology, Stockholm
U1  - X:89K:(B), L8 
PY  - 1978///
CY  - Amsterdam
PB  - North-Holland Publ. Co.        
KW  - Regional Economics
N1  - Research Group for Urban and regional  planning; Royal institute of Technology, Stockholm
ER  -