TY  - BOOK
AU  - Dummer, G. W. A.
AU  - Robertson, Mackenzie
TI  - EDUCATIONAL ELECTRONICS EQUIPMENT, 1967-68
U1  - 370.778 
PY  - 1968///
CY  - Oxford
PB  - Pergamon Press
KW  - Teaching Machines -- Catalogs
KW  - Electrunic Apparatus And Appliances -- Catalogs
N1  - Includes Bibliography
ER  -