TY  - BOOK
AU  - Hayes,Megan
TI  - Projects in chemistry for the secondary school / 
U1  - 540.73  HAY 
PY  - 1967///
CY  - London : 
PB  - Batsford, 
KW  - Chemistry
KW  - Study and teaching (Secondary)
N1  -  Includes bibliographical references
ER  -