ActiveMath , a Web-Based Learning Environment

@article{pub1902,
    author = {

Libbrecht, Paul
 and 

Melis, Erica
 and 

Ullrich, Carsten
},
    title = {ActiveMath , a Web-Based Learning Environment},
    year = {2001},
    month = {7},
    journal = {IEEE Learning Technology Newsletter}
}