@article{MZ_1972__129_171824,
     author = {Jill C.D.S. Yaqub},
     title = {On {Planes} of {Lenz-Barlotti} {Class} {I} 6 and {Planes} of {Lenz} {Class} {III.}},
     journal = {Mathematische Zeitschrift},
     pages = {109--136},
     publisher = {mathdoc},
     volume = {129},
     year = {1972},
     zbl = {0245.50025},
     url = {http://geodesic.mathdoc.fr/item/MZ_1972__129_171824/}
}