@article{AMLG_1980__20_137969,
     author = {Wolfgang Rautenberg},
     title = {Splitting lattices of logics.},
     journal = {Archiv f\"ur mathematische Logik und Grundlagenforschung},
     pages = {155--160},
     publisher = {mathdoc},
     volume = {20},
     year = {1980},
     zbl = {0453.03017},
     url = {http://geodesic.mathdoc.fr/item/AMLG_1980__20_137969/}
}