TY  - BOOK
AU  - Hagerstrand, T.
AU  - Arnold Joseph Toynbee 
TI  -  Innovation diffusion as a spatial process
U1  - 301.243 HAG 
PY  - 1967///
CY  - Chicago
PB  -  : University of Chicago Press
KW  - Innovation Diffusion
KW  - Spatial Process
KW  - Allan Pred
ER  -