00382nam a2200145Ia 4500020001500000082002300015100002200038245004100060260002900101300002700130490004500157500002400202500000500226700000500231  a1597180033  a518.5425bSt797.SS  aStata Corporation  aStata survey data reference manualb  aTexasbStata Pressc2005  aiv, 278p. Bibl. Index.  aStatistics, graphics and data management  a"Stata - Release 9"  a  a