@book{Knapp+2015, url = {https://doi.org/10.3790/9783428565610}, title = {Staatliche Theorie des Geldes}, title = {}, author = {Georg Friedrich Knapp}, publisher = {Duncker & Humblot}, address = {}, doi = {doi:10.3790/9783428565610}, isbn = {9783428565610}, year = {1923}, lastchecked = {2015} }