000 00357nam a2200145Ia 4500
008 230917s9999||||xx |||||||||||||| ||und||
040 _e142521
_aMAIN
041 _aEnglish
082 _a519.52 C643S
100 _aCochran, William G
245 0 _aSampling techniques
260 _aNew Delhi
_bWiley Eastern
_c1997
300 _axvi, 426 p.
942 _cBK
999 _c137462
_d137462