@article{AM2_1978__18_136795,
     author = {Ki Hang Kim and Fred W. Roush},
     title = {A universal algebra approach to free projective planes. {(Short} {Communication).}},
     journal = {Aequationes mathematicae},
     pages = {389--390},
     publisher = {mathdoc},
     volume = {18},
     year = {1978},
     zbl = {0413.51001},
     url = {http://geodesic.mathdoc.fr/item/AM2_1978__18_136795/}
}