Beiträge in Handbüchern Immaterialgüter- und Wettbewerbsrecht
Patent Pools – Policy and Problems
Ullrich, HannsPatent Pools – Policy and Problems in: Josef Drexl (Hg.), Research Handbook on Intellectual Property and Competition Law, Edward Elgar, Cheltenham; Northhampton 2008, 139 - 161.
