@book{Walter+2020,
url = {https://doi.org/10.3790/9783428422470},
title = {Der technische Fortschritt in der neueren ökonomischen Theorie},
title = {Versuch einer Systematik},
author = {Helmut Walter},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428422470},
isbn = {9783428422470},
year = {1969},
lastchecked = {2020}
}