TY  - BOOK
AU  - Khurmi, R S  .
AU  - Sedha,R S  .
TI  - Material science / 
SN  - 81-219-0146-4
U1  - 620.11 
PY  - 1995///
CY  - New Delhi : 
PB  - S.Chand and Co , 
ER  -