@article{10_37236_1631,
     author = {Michael J Kearney and Peter Shiu},
     title = {Efficient packing of unit squares in a square},
     journal = {The electronic journal of combinatorics},
     year = {2002},
     volume = {9},
     doi = {10.37236/1631},
     zbl = {0993.05044},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1631/}
}