00341nam a2200133 a 450000500170000002000150001708200130003210000140004524500410005925000110010026000550011130000210016670000200018720251203092001.0  a0876927932  a545bDAY  aDay, R.A.  aQuantitative analysis, R.A. Day, eng  a6th ed  aNew Delhi, Prentice-Hall of INew Delhiia, Inc1993  axiii,685p.c22cm  aUnderwood, A.L.