TY  - BOOK
AU  - Davies,L.
ED  - Heinemann Educational Books
TI  - Investigating chemistry: notes for teachers 
SN  - 0435641611
U1  - 542 23
PY  - 1975///.
CY  - London: 
PB  - Hainemann Educational Books, 
KW  - Chemistry
N1  - Includes index
ER  -