000			00319nam a2200145Ia 4500
008			220421s9999||||xx |||||||||||||| ||und||
020			_c350/-
040			_aET
100			_aGUPTA R.C
245		0	_aSTATISTCAL QUALITY CONTROL
260			_bKHANNA PUB. _aNEW DELHI
300			_a1222
500			_a42931
942			_cBK
999			_c48946 _d48946