00337nam a2200145Ia 4500020001500000082002300015100002300038245004400061250000800105260003000113300002200143500001600165500000500181700000500186  a1555446590  a518.5425bSa252.SS  aSAS Institute Inc.  aSAS screen control language breference  a2nd  aNorth CarolinabSASc1994  axiv, 648p. Index.  a"Version 6"  a  a