@article{https://doi.org/10.6102/zis191,
doi = {10.6102/zis191},
url = {http://zis.gesis.org/DoiId/10.6102/zis191},
author = {Mayer, K.U., Kraus, V., & Schmidt, P.},
language = {deu},
title = {Soziale Ungleichheit},
journal = {Zusammenstellung sozialwissenschaftlicher Items und Skalen (ZIS)},
publisher = {ZIS - GESIS Leibniz Institute for the Social Sciences},
year = {1997}
}