00336nam a2200133Ia 4500020001500000082002300015100000700038245006600045260002900111300002900140490002300169500000500192700000500197  a1881228533  a518.5425bSt797.SG  ad  aStatistics, graphics and data managementbcStata - Release 7  aTexasbStata Pressc2001  axxiv, 386p. Bibl. Index.  aStata user's guide  a  a