TY  - BOOK
AU  - Tweddle,T.A.
TI  - The science teacher's handbook: a companion to Everyday science topics 
U1  - 507 23
PY  - 1950///, [Reprint 1954]
CY  - London
PB  - George G. Harrap
KW  - Science
KW  - Study and teaching
N1  - index
ER  -