TY - BOOK AU - Cliff, A D AU - Cliff,A.D. TI - Spatial diffusion: an historical geography of epidemics in an island community SN - 0521228409 U1 - 614.4 PY - 1981/// CY - Cambridge, New York PB - Cambridge University Press KW - Medical geography KW - Iceland KW - Epidemics KW - Measles N1 - Includes index; Bibliography: p. 230-236 ER -