@article{JRAM_1975__0278_0279_151662,
     author = {N.D. Lane and J.W. Lorimer},
     title = {Desarguesian affine {Hjelmslev} planes.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {336--352},
     publisher = {mathdoc},
     volume = {0278_0279},
     year = {1975},
     zbl = {0313.50020},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1975__0278_0279_151662/}
}