@article{10_37236_1934,
     author = {Hiroshi Nagamochi},
     title = {Packing unit squares in a rectangle},
     journal = {The electronic journal of combinatorics},
     year = {2005},
     volume = {12},
     doi = {10.37236/1934},
     zbl = {1080.52012},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1934/}
}