000 00306nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c250
040 _aET
100 _aGRAVETTER F J
245 0 _aESS. OF STATISTICS
260 _bTMGH PCL
_aDELHI
300 _aA-86
500 _a18496
942 _cBK
999 _c24725
_d24725