@article{GDZPPN000364681,
title = {The Densest Packing of Equal Circles into a Parallel Strip.},
journal = {Discrete \& computational geometry},
volume = {6},
year = {1991},
pages = {95-106},
zbl = {0722.52010},
url = {http://dml.mathdoc.fr/item/GDZPPN000364681}
}
Füredi, Z. The Densest Packing of Equal Circles into a Parallel Strip.. Discrete & computational geometry, Tome 6 (1991) pp. 95-106. http://gdmltest.u-ga.fr/item/GDZPPN000364681/