@article{EXMA_2002__11_1_50846,
     author = {Elder, Murray and McCammond, Jon},
     title = {Curvature testing in 3-dimensional metric polyhedral complexes.},
     journal = {Experimental mathematics},
     pages = {143--158},
     publisher = {mathdoc},
     volume = {11},
     number = {1},
     year = {2002},
     zbl = {1042.20030},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMA_2002__11_1_50846/}
}