TY  - BOOK
AU  - Khanna, O P
AU  - Lal, M
TI  - Text book of material science and metallurgy : for engineering students
CY  - Delhi
KW  - Engineering materials
KW  - Extraction -- Metals (Aluminium, Copper, Zinc, Lead, Magnisium)
KW  - Materials -- Engineering
KW  - Metallurgy
ER  -