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@article{DCG_1991__6_4_131156, author = {J.E. Taylor}, title = {On the {Global} {Structure} of {Crystalline} {Surfaces.}}, journal = {Discrete & computational geometry}, pages = {225--262}, publisher = {mathdoc}, volume = {6}, number = {4}, year = {1991}, zbl = {0725.53012}, url = {http://geodesic.mathdoc.fr/item/DCG_1991__6_4_131156/} }
J.E. Taylor. On the Global Structure of Crystalline Surfaces.. Discrete & computational geometry, Tome 6 (1991) no. 4, pp. 225-262. http://geodesic.mathdoc.fr/item/DCG_1991__6_4_131156/