@book{Mayr+2013,
url = {https://doi.org/10.3790/9783428566037},
title = {Der Bereicherungsanspruch},
title = {des deutschen bürgerlichen Rechts},
author = {Robert von Mayr},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428566037},
isbn = {9783428566037},
year = {1903},
lastchecked = {2013}
}