@article{10_4153_CMB_1978_038_2,
     author = {Thomas, L. A.},
     title = {Ordered {Desarguesian} {Affine} {Hjelmslev} {Planes}},
     journal = {Canadian mathematical bulletin},
     pages = {229--235},
     year = {1978},
     volume = {21},
     number = {2},
     doi = {10.4153/CMB-1978-038-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1978-038-2/}
}