@article{MZ_1980__174_173002,
     author = {Allen Tannenbaum},
     title = {Castelnuovo {Curves} and {Unobstructed} {Deformations.}},
     journal = {Mathematische Zeitschrift},
     pages = {141--148},
     year = {1980},
     volume = {174},
     zbl = {0423.14014},
     url = {http://geodesic.mathdoc.fr/item/MZ_1980__174_173002/}
}