TY  - BOOK
AU  - Geyer,H.S.
AU  - Kontuly,Thomas
TI  - Differential urbanization: integrating spatial models 
SN  - 0470236353
AV  - 304.8 .D54 1996
U1  - 304.8 22
PY  - 1996///
CY  - London, New York
PB  - Arnold, Halsted Press
KW  - Migration, Internal
KW  - Population geography
ER  -