@book{csen07a,
author = {P.G. Szabo and M.C.T. Markot and T. Csendes and E. Specht and L.G. Casado and I. Garc\'{\i}a},
title = {\href{http://www.springer.com/east/home/math?SGWID=5-10042-22-173679610-0}{New Approaches to Circle Packing in a Square}},
publisher = {Springer},
volume = {6},
series = {Springer Optimization and Its Applications},
year = {2007},
isbn = {0-387-45673-2},
}