@article{Helmstädter+1987+3+4,
url = {https://doi.org/10.3790/schm.107.1.3},
title = {Einführungsworte zur Thünen-Vorlesung},
title = {},
author = {Ernst Helmstädter},
pages = {3--4},
volume = {107},
number = {1},
journal = {Journal of Contextual Economics – Schmollers Jahrbuch},
doi = {doi:10.3790/schm.107.1.3},
year = {1987},
lastchecked = {1987-01-01}
}