@article{GDZPPN000366668,
title = {Free Arrangements and Relation Spaces.},
journal = {Discrete \& computational geometry},
volume = {11},
year = {1994},
pages = {49-64},
zbl = {0802.52010},
url = {http://dml.mathdoc.fr/item/GDZPPN000366668}
}
Brandt, K.A.; Terao, H. Free Arrangements and Relation Spaces.. Discrete & computational geometry, Tome 11 (1994) pp. 49-64. http://gdmltest.u-ga.fr/item/GDZPPN000366668/