00387nam a2200145Ia 4500020001500000082002500015100002200040245004200062260002900104300002900133490004500162500002400207500000500231700000500236  a1881228762  a518.5425bSt797.SB.4  aStata Corporation  aStata base reference manual; S - Z.b  aTexasbStata Pressc2003  aV.4 - 391p. Bibl. Index.  aStatistics, graphics and data management  a"Stata - Release 8"  a  a