@article{00856771,
title = {The classification of subplane covered nets.},
journal = {Bulletin of the Belgian Mathematical Society - Simon Stevin},
volume = {2},
year = {1995},
pages = {487-508},
zbl = {0855.51002},
language = {en},
url = {http://dml.mathdoc.fr/item/00856771}
}
Johnson, Norman L. The classification of subplane covered nets.. Bulletin of the Belgian Mathematical Society - Simon Stevin, Tome 2 (1995) pp. 487-508. http://gdmltest.u-ga.fr/item/00856771/