TY  - BOOK
AU  - Brown Lawrence A
TI  - Diffusion process and locaiton: A conceptual framew   
T2  - Bibliography series .4. Regional science research institute
U1  - U21, K8 
PY  - 1968///
CY  - Philadelphia
PB  - Regional Scince Research Institute       
KW  - Geomorphology
ER  -