@article{MZ_1970__115_171336,
     author = {David A. Drake},
     title = {Coordinatization of {H-Planes} by {H-Modules.}},
     journal = {Mathematische Zeitschrift},
     pages = {79--103},
     publisher = {mathdoc},
     volume = {115},
     year = {1970},
     zbl = {0185.48202},
     url = {http://geodesic.mathdoc.fr/item/MZ_1970__115_171336/}
}