000			00322nam a2200145Ia 4500
008			220421s9999||||xx |||||||||||||| ||und||
020			_c125
040			_aET
100			_akumar A.
245		0	_aworkshop calculation & science
260			_barihant prakashan _amerrut
300			_a545
500			_a60759
942			_cBK
999			_c66722 _d66722