000			00325nam a22001337a 4500
020			_a9971512718
082			_a519.52 _bCOC/SAM
100			_aCochran, William G., _94740
245			_aSampling Techniques
250			_a3rd ed.
260			_aNew York : _bJohn Wiley & Sons, _cc1999.
300			_axvi, 428 p.: _b[A15]
942			_cBK
999			_c4293 _d4293