%0 Journal Article %A Kelly, David %A Rival, Ivan %T Planar Lattices %J Canadian journal of mathematics %D 1975 %P 636-665 %V 27 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1975-074-0/ %R 10.4153/CJM-1975-074-0 %F 10_4153_CJM_1975_074_0