@article{Frey+Schwödiauer+1971+691+710,
url = {https://doi.org/10.3790/schm.91.6.691},
title = {Über die zeitliche Nutzung der Natur},
title = {},
author = {Bruno S. FreyGerhardt Schwödiauer},
pages = {691--710},
volume = {91},
number = {6},
journal = {Journal of Contextual Economics – Schmollers Jahrbuch},
doi = {doi:10.3790/schm.91.6.691},
year = {1971},
lastchecked = {1971-06-01}
}