00322nam a2200145Ia 4500020001500000082002300015100002300038245002700061250000800088260003000096300002400126500001600150500000500166700000500171  a1555445543  a518.5425bSa252.SE  aSAS Institute Inc.  aSAS/ETS user's guideb  a2nd  aNorth CarolinabSASc1993  aviii, 1022p. Index.  a"Version 6"  a  a