@conference { nbel_splitting_2,
	title = {Splitting tutor roles: Supporting online-learners with group tutors and subject tutors},
	booktitle = {Proceedings of the 3rd EDEN Research Workshop: Supporting the Learner in Distance Education and E-Learning},
	volume = {1},
	year = {2004},
	pages = {324{\textendash}329},
	publisher = {EDEN Conference},
	organization = {EDEN Conference},
	address = {Oldenburg},
	author = {I N{\"u}bel and Michael Kerres}
}
