@article{MET_1959__2_175062,
     author = {E. Fels},
     title = {Die axiomatischen  {Grundlagen} einer  allgemeinen {Theorie} des {Messens} -  {Pfanzagl,} {J.}},
     journal = {Metrika},
     pages = {245--247},
     publisher = {mathdoc},
     volume = {2},
     year = {1959},
     url = {http://geodesic.mathdoc.fr/item/MET_1959__2_175062/}
}