TY  - BOOK
AU  - ed. by David H. Jonassen and Heinz Mandl.
AU  - Mandl, Heinz., ed
ED  - Jonassen, David H., ed
TI  - Designing hypermedia for learning
T2  - NATO ASI Series, Series F
SN  - 3540529586
U1  - 005.75 
PY  - 1990///
CY  - Berlin
PB  - Springer-Verlag
ER  -