@article{MAN_1928__99_159267,
     author = {C.E. Weatherburn},
     title = {On {Families} of {Surfaces.}},
     journal = {Mathematische Annalen},
     pages = {473--478},
     publisher = {mathdoc},
     volume = {99},
     year = {1928},
     zbl = {54.0747.02},
     url = {http://geodesic.mathdoc.fr/item/MAN_1928__99_159267/}
}