00270nam a2200097Ia 450000500170000000800410001710000330005824500430009126000300013430000080016420260413100319.0230516s9999||||xx |||||||||||||| ||und||  aTupkary, R.H. & Tupkary V.R. 3aAn Introduction to Modern Steel Making  bDelhi, Khanna  Pub.c1998  a463