00422nam a22001457a 4500008004100000020001800041040005500059080001900114100001700133245003200150260003700182300001300219650002200232653002200254230321b        |||||||| |||| 00| 0 eng d  a0-12-456950-1  aNational Science LibrarycNational Science Library  aD 681.3:55bL9  aLoudon, T V   aComputer methods in geology  aLondon: bAcademic Press, c1979  ax, 269p.  aComputer science   aComputer methods