@article {hafkesbrink_controlled_2010,
	title = {Controlled Opening in pro-active {SME} Innovation{\textendash}a Case Study on an {{\textquoteleft}Open} Innovation Audit{\textquoteright}in the Digital Economy},
	journal = {Competence Management for Open Innovation: Tools and It Support to Unlock the Innovation Potential Beyond Company Boundaries},
	volume = {30},
	year = {2010},
	note = {00004},
	pages = {271{\textendash}288},
	author = {Joachim Hafkesbrink and Stark, Anna and Schmucker, Markus}
}
@article {stark_zukunft_2009,
	title = {Die Zukunft des Semantic Web},
	year = {2009},
	note = {00002},
	author = {Stark, Anna and Schroll, Markus and Joachim Hafkesbrink}
}
@article {schroll_geschaftsmodelle_2009,
	title = {Gesch{\"a}ftsmodelle},
	journal = {Social Media Kompass},
	year = {2009},
	note = {00000},
	pages = {15{\textendash}27},
	author = {Schroll, Markus and Stark, Anna}
}
@book {hafkesbrink_mobile_2008,
	title = {Mobile und Individualised Publishing: Die Zukunft der Verlagswirtschaft in {NRW}},
	year = {2008},
	note = {00000},
	publisher = {Innowise GmbH},
	organization = {Innowise GmbH},
	address = {Duisburg},
	author = {Joachim Hafkesbrink and Schroll, Markus and Stark, Anna}
}
