TY  - BOOK
AU  - Blackburn,Peter
TI  - Pacific O-level guide chemistry
SN  - 9971638932 (pbk)
U1  - 540 BLA 
PY  - 1981///
CY  - Singapore
PB  - Pan Pacific Publications.
KW  - Cheimstry - Examinations, questions, etc
KW  - Chemistry - Experiment
N1  - Index p. 240-232
ER  -