@article{02216471,
title = {An arrangement of pseudocircles not realizable with circles.},
journal = {Beitr\"age zur Algebra und Geometrie},
volume = {46},
year = {2005},
pages = {351-356},
zbl = {1088.52503},
language = {en},
url = {http://dml.mathdoc.fr/item/02216471}
}
Linhart, Johann; Ortner, Ronald. An arrangement of pseudocircles not realizable with circles.. Beiträge zur Algebra und Geometrie, Tome 46 (2005) pp. 351-356. http://gdmltest.u-ga.fr/item/02216471/