@book{2025,
url = {https://doi.org/10.3790/9783428424160},
title = {Technischer Fortschritt in den USA},
title = {Auswertung der amerikanischen Untersuchung Technology and the American Economy},
author = {},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428424160},
isbn = {9783428424160},
year = {1971},
lastchecked = {2025}
}