TY  - BOOK
ED  - Interactive Learning Productions 
ED  - Yorkshire Television.
TI  - Teaching : : science series. 1, Elements 
AV  - QD30	 .I611 1994
PY  - 1994///
CY  - Newcastle-upon-Tyne : 
PB  - Interactive Learning Productions, 
KW  - Chemistry
KW  - Study and teaching
ER  -