@article{10_4064_cm_36_1_101_108,
     author = {Frank Harary and Ronald H. Rosen},
     title = {On the planarity of 2-complexes},
     journal = {Colloquium Mathematicum},
     pages = {101--108},
     publisher = {mathdoc},
     volume = {36},
     number = {1},
     year = {1976},
     doi = {10.4064/cm-36-1-101-108},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-36-1-101-108/}
}