00257nam a2200109 a 450000500170000008200130001710000190003024500350004926000250008430000230010963000150013220251202164317.0  a310bPIL  aPillai, R.S. N  aStatistics theory and practice  aDelhibS Chandc1986  a591 p.b22 cm.cPB  aStatistics