00247nam a2200097Ia 450000500170000000800410001710000170005824500310007526000350010630000080014120260413100933.0230516s9999||||xx |||||||||||||| ||und||  aKhurmi, R.S. 0aA.T.B. Workshop Technology  bN. Delhi, S. Chand & co.c2004  a551