@article{MET_1970__16_175444,
     author = {J. Pfanzagl and D.Z. Djokovic and J. Aczel},
     title = {On the {Uniqueness} of {Scales} {Derived} from {Canonical} {Representations}},
     journal = {Metrika},
     pages = {1--8},
     publisher = {mathdoc},
     volume = {16},
     year = {1970},
     zbl = {0205.23801},
     url = {http://geodesic.mathdoc.fr/item/MET_1970__16_175444/}
}