TY  - BOOK
AU  - Vedavalli, V. R.
AU  - Paul, Jose
TI  - Headway science 7c
SN  - 0 7069 9418 3
U1  - 500/VED 
PY  - 1994///
CY  - New Delhi
PB  - Vikas
KW  - Chemistry
ER  -