AU  - CHISHOLM,JANE
AU  - JOHNSON,MARY
TI  - AN USBORNE INTRODUCTION: CHEMISTRY
T2  - AN USBORNE INTRODUCTION
SN  - 0860207099
U1  - 540/CHI 
PY  - 1993///
CY  - LONDON
PB  - USBORNE PUBLISHING LTD.
KW  - CHEMISTRY
KW  - JUVENILE LITERATURE
ER  -