TY  - BOOK
AU  -  Kent, Graeme.
TI  -  Blackboard to computer: a guide to educational aids 
SN  -  706230469
U1  -  371.33 
PY  - 1969///
CY  -  London
PB  -  Ward Lock Educational
KW  -  Audio-visual education
KW  -  Education
KW  -  Audio-visual aids
N1  -  Includes bibliographical references and index
ER  -