Order in projective and in descriptive geometry
Compositio Mathematica, Volume 11 (1953), p. 60-70 
@article{CM_1953__11__60_0,
     author = {Wyler, Oswald},
     title = {Order in projective and in descriptive geometry},
     journal = {Compositio Mathematica},
     publisher = {Kraus Reprint},
     volume = {11},
     year = {1953},
     pages = {60-70},
     zbl = {0053.10701},
     mrnumber = {56310},
     language = {en},
     url = {http://www.numdam.org/item/CM_1953__11__60_0}
}

Wyler, Oswald. Order in projective and in descriptive geometry. Compositio Mathematica, Volume 11 (1953) pp. 60-70. http://www.numdam.org/item/CM_1953__11__60_0/

H.S.M. Coxeter, [1] The Real Projective Plane, New York, 1949. | MR 30205 | Zbl 0032.11302

David Hilbert, [2] Grundlagen der Geometrie, 7. Auflage, Leipzig und Berlin 1930. | JFM 56.0481.01