TY  - BOOK
AU  - Holmberg, Börje.
AU  - Ortner, Gerhard E.
AU  - Graff, Kurt,
AU  - Wilmersdoerfer, Harald.
TI  - Distance education as two-way communication: essays in honour of Börje Holmberg 
SN  - 3631453590
AV  - LC5800 .D566 1992
PY  - 1992///
CY  - Frankfurt am Main, New York
PB  - P. Lang
KW  - Holmberg, Börje
KW  - Distance education
KW  - Education, Higher
N1  - Includes bibliographical references
ER  -