000 00228nam a2200097Ia 4500
008 170619s9999 xx 000 0 und d
100 _aKhurmi R S
245 2 _aA T. B. of Workshop Tech.
260 _bNew Delhi: S Chand
260 _c2001
546 _aENGLISH
999 _c16256
_d16256