@article{KrollLudwigs2012, author = {Kroll-Ludwigs, Kathrin}, title = {Ein optionales Vertragsrecht f{\"u}r Europa: Motor oder Hemmnis f{\"u}r den Binnenmarkt?}, series = {GPR : Zeitschrift f{\"u}r Gemeinschaftsprivatrecht}, volume = {9}, journal = {GPR : Zeitschrift f{\"u}r Gemeinschaftsprivatrecht}, number = {4}, publisher = {Verlag Dr. Otto Schmidt}, address = {K{\"o}ln}, issn = {2193-9519}, doi = {10.1515/gpr.2012.9.4.181}, pages = {181 -- 188}, year = {2012}, language = {de} }