@article{10_4153_CMB_1978_024_7,
     author = {Baker, Catharine},
     title = {Moulton {Affine} {Hjelmslev} {Planes}},
     journal = {Canadian mathematical bulletin},
     pages = {135--142},
     year = {1978},
     volume = {21},
     number = {2},
     doi = {10.4153/CMB-1978-024-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1978-024-7/}
}