@article{MET_1971__17_175485,
     author = {H. Strecker},
     title = {Erg\"anzung zu {\^A?Ein} {Beitrag} zur {Analyse} von {Zeitreihen:} {Die} {Quotientenmethode,} eine {Variante} der {'Variate} {Difference'} {Methode}},
     journal = {Metrika},
     pages = {257--259},
     publisher = {mathdoc},
     volume = {17},
     year = {1971},
     zbl = {0229.62046},
     url = {http://geodesic.mathdoc.fr/item/MET_1971__17_175485/}
}