Pedagogically founded courseware generation based on HTN-planning

@article{pub4369,
    author = {

Ullrich, Carsten
 and 

Melis, Erica
},
    title = {Pedagogically founded courseware generation based on HTN-planning},
    year = {2009},
    month = {7},
    volume = {36},
    number = {5},
    pages = {9319--9332},
    journal = {Expert Systems with Applications},
    publisher = {Pergamon Press, Inc.},
    note = {RB=yes}
}