@article{CMH_1967__42_139346,
     author = {Newton S. Hawley},
     title = {Some {Remarks} concerning {Surfaces} in {Three-space.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {307--313},
     publisher = {mathdoc},
     volume = {42},
     year = {1967},
     zbl = {0162.53002},
     url = {http://geodesic.mathdoc.fr/item/CMH_1967__42_139346/}
}