@article{Sperling+1961+65+80,
url = {https://doi.org/10.3790/schm.81.6.65},
title = {Zur Theorie und Methode der Berufsklassifizierung},
title = {},
author = {Hans Sperling},
pages = {65--80},
volume = {81},
number = {6},
journal = {Journal of Contextual Economics – Schmollers Jahrbuch},
doi = {doi:10.3790/schm.81.6.65},
year = {1961},
lastchecked = {1961-06-01}
}