=LDR            22        4500
=001  5197
=082  04$a614.5 23 094912
=245  00$aSpatial diffusion
=260  \\$aLondon :$bCambridge University Press,$c1981
=650  \0$aBooks
=700  1\$aCliff, A. D.
=852  \\$bFreeman Library$h614.5 23 094912