TY  - BOOK
TI  - Chemistry Students' book.2.:Topics 13 to 19
SN  - 0582826527 (paperback)
U1  - 540 CHE 
PY  - 1970///
CY  - [S.l.]
PB  - Longman
KW  - chemistry
N1  - Import
UR  - http://www.amazon.com/exec/obidos/ASIN/0582826527/chopaconline-20
ER  -