TY  - SER
AU  - Harton,Linwood M.
AU  - Brown,Lawrence A.
AU  - Parkinson,Claire L.
TI  - Annotated bibliography of geographic diffusion studies
T2  - Studies in the diffusion of innovation, discussion paper
AV  - HM131 O33 no.11
PY  - 1974///
CY  - Columbus
PB  - Ohio State University
KW  - Diffusion of innovations
KW  - Bibliography
ER  -