TY  - BOOK
AU  - Lewis, R (Ed.)
AU  - Tagg, E D (Ed.)
TI  - Computers in education: : Proceedings of the IFIP TC-3 3rd world conference on computers in education-WCCE81, Switzerland, July 27-31 1981
SN  - 0-444-862555-2
PY  - 1981///
CY  - Amsterdam: 
PB  - North-Holland Publishing Company, 
ER  -