00511nam a2200181 a 450000500170000008200150001710000190003224500510005125000160010226000290011830000210014769000240016870000230019296400190021599700180023499900170025295200600026920251203090731.0  a519.5bDAV  aDavies, Owen L  aStatistical methods in research and production  a4th ed.rev.  aNew DelhibLongmanc1986  a478p.c22cm.bPB  aStatistical methods  aGoldsmith, Peter L  bENGcdefg_  a21303 LIBSC C  c18054d18054  00104070aPUbPUd1998-12-17l0o519.5 DAVp21303yBK