TY - BOOK AU - Khurmi,R.S. AU - Sedha,R.S. TI - Material science SN - 8121901464 U1 - 620.11 22 PY - 1987/// CY - New Delhi PB - S. hand and Co. Pvt. Ltd. KW - Materials science KW - Juvenile literature KW - Materials N1 - Includes index ER -