@article{AMLG_1975__17_137910,
     author = {Klaus Kaiser},
     title = {Various remarks on quasi-universal model classes.},
     journal = {Archiv f\"ur mathematische Logik und Grundlagenforschung},
     pages = {91--96},
     publisher = {mathdoc},
     volume = {17},
     year = {1975},
     zbl = {0331.02031},
     url = {http://geodesic.mathdoc.fr/item/AMLG_1975__17_137910/}
}