TY  - GEN
AU  - Kahn , Brian  
TI  - Computers in science using computers for learning and teaching
SN  - 0521278074
U1  - 507.8 
PY  - 1987///
CY  - New Delhi
PB  - Interprint
KW  - Science - study and teaching
KW  - Teaching - aids and devices
ER  -