@article{AM2_1971__6_136192,
     author = {N.S. MENDELSOHN},
     title = {A {Single} {Groupoid} {Identity} for {Steiner} {Loops}},
     journal = {Aequationes mathematicae},
     pages = {228--230},
     publisher = {mathdoc},
     volume = {6},
     year = {1971},
     zbl = {0244.20087},
     url = {http://geodesic.mathdoc.fr/item/AM2_1971__6_136192/}
}