@article{JAC_2006__23_3_a4,
     author = {Bohanon, Joseph P. and Reid, Les},
     title = {Finite groups with planar subgroup lattices.},
     journal = {Journal of Algebraic Combinatorics},
     pages = {207--223},
     publisher = {mathdoc},
     volume = {23},
     number = {3},
     year = {2006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JAC_2006__23_3_a4/}
}