@article{MM2_1970__2_154007,
     author = {G\"unther Hauger},
     title = {Pr\"aradikale und {Morphismenklassen.}},
     journal = {Manuscripta mathematica},
     pages = {397--402},
     publisher = {mathdoc},
     volume = {2},
     year = {1970},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MM2_1970__2_154007/}
}