TY  - BOOK
AU  - Lewis,Roger
AU  - Spencer,D.C.
TI  - What is open learning?: an introduction to the series 
SN  - 0861841263
AV  - LC 5800 .L4 1986
PY  - 1986///
CY  - London
PB  - Council for Educational Technology
KW  - Distance education
ER  -