TY  - BOOK
AU  - Leggat,Robert
TI  - Lights please!: using projectors in the classrom 
SN  - X920047426
PY  - 1972///
CY  - London
PB  - National Committee for Audio-Visual Aids in Education
KW  - Teachers
KW  - Training of
KW  - Aids and devices
KW  - Moving
KW  - pictures in education
ER  -