00334nam a2200145Ia 4500020001500000082002300015100002300038245004300061250000800104260003000112300002000142500001600162500000500178700000500183  a1555445616  a518.5425bSa252.SG  aSAS Institute Inc.  aSAS/GIS software busage and reference  a1st  aNorth CarolinabSASc1995  ax, 261p. Index.  a"Version 6"  a  a