=LDR 22 4500 =001 2235 =082 04$a550.72 SMI =100 1\$aSmith, F. G. =245 10$aGeological data processing: using Fortran IV =260 \\$aLondon :$bHarper and Row,$c1966 =650 \0$aBooks =852 \\$bFreeman Library$h550.72 SMI