@article{01924518,
title = {A flat plane that is not the limit of periodic flat planes.},
journal = {Geometry \& Topology},
volume = {7},
year = {2003},
pages = {147-154},
doi = {10.2140/agt.2003.3.147},
zbl = {1042.20034},
language = {en},
url = {http://dml.mathdoc.fr/item/01924518}
}
Wise, Daniel T. A flat plane that is not the limit of periodic flat planes.. Geometry & Topology, Tome 7 (2003) pp. 147-154. doi : 10.2140/agt.2003.3.147. http://gdmltest.u-ga.fr/item/01924518/