TY  - BOOK
AU  - Beckmann, Martin
AU  - Puu, Tonu
TI  - Spatial economics: Density, potential, and flow
T2  - Studies in regional science and urban economics V 14
SN  - 0-444-87771-1
U1  - 330.015195/BEC 
PY  - 1985///
CY  - Amsterdam
PB  - North-Holland
KW  - Econometric models
KW  - Econometrics
KW  - General economics
KW  - Economics
ER  -