TY  - BOOK
AU  - Rangwala
TI  - engineering materials: material science
SN  - 8185594260
U1  - 620.11 
PY  - 1969///
CY  - delhi
PB  - charotar books ;.
KW  - bulk dnsity
KW  - solid fuel
KW  - coal tar
N1  - bibliography& index
ER  -