TY  - GEN
AU  - Sen, Ashish
AU  - Smith, Tony E.
TI  - Gravity models of spatial interaction behaviour
SN  - 9783540600268
U1  - 330.18 
PY  - 1995///
CY  - Berlin
PB  - Springer-Verlag
KW  - Spatial analysis [Statistics]
KW  - Spatial Behaviour
ER  -