000			003510000a22001330004500
008			140223b1977 xxu||||| |||| 00| 0 eng d
041			_aENG
080			_aB2817 L7-;2
082			_aB2817 L7-;2
100			_aMURTHY (M N)
245			_aSampling theory and methods. (cops. 2)
260			_aCalcutta _bStatistical Pub. Soc. _c1977
650			_aSAMPLING
999			_c251352 _d251352