TY  - BOOK
AU  - Cliff A D & Others
TI  - Spatial diffusion:  An historical geography of epidemics in an island community   
SN  - 0521228409
U1  - U475:(L:4:51).574.N7, M1 
PY  - 1981///
CY  - New York
PB  - Cambridge University        
ER  -