@misc{olmedillaetal06,
title = {Interoperability of Educational Systems. Special Issue on Interoperability of Educational Systems, Journal of Educational Technology & Society },
editor = {Daniel Olmedilla and Nobuo Saito and Bernd Simon},
journal = {Interoperability of Educational Systems. Special Issue on Interoperability of Educational Systems, Journal of Educational Technology & Society },
month = {April},
number = {2},
volume = {9},
year = {2006},
keywords = {prolearn }
}
::