000 00286nam a2200121Ia 4500
008 211209s1983 xx 000 0 und d
041 _aeng
082 _a519.5GUP
100 _aGUPTA, S P
245 _aPRACTICAL STATISTICS
260 _aNEW DELHI
_bS. CHAND & CO.
_c1983
300 _a628
999 _c22589
_d22589