@article{00617012,
title = {On the history of generalized quadrangles.},
journal = {Bulletin of the Belgian Mathematical Society - Simon Stevin},
volume = {1},
year = {1994},
pages = {417-421},
zbl = {0811.51005},
language = {en},
url = {http://dml.mathdoc.fr/item/00617012}
}
Hirschfeld, J.W.P. On the history of generalized quadrangles.. Bulletin of the Belgian Mathematical Society - Simon Stevin, Tome 1 (1994) pp. 417-421. http://gdmltest.u-ga.fr/item/00617012/