@article{Hansen_2005,
 author = {Hansen, Gerd},
 year = {2005},
 title = {Zugang zu wissenschaftlicher Information: Alternative urheberrechtliche Ans{\"a}tze},
 url = {http://www.gerd-hansen.net/app/download/16511674/Hansen_GRUR_Int_2005_378ff.pdf},
 urldate = {2015-05-18},
 pages = {378--388},
 journal = {GRUR International}
}