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- [2] The general surfaces in four dimensions with one or two apparent triple points. PROCEEDINGS OF THE CAMBRIDGE PHILOSOPHICAL SOCIETY, 1932, 28 : 51 - 54
- [4] Limits for double points of surfaces JOURNAL FUR DIE REINE UND ANGEWANDTE MATHEMATIK, 1928, 159 (1/4): : 255 - 264
- [7] ON ANALYTIC SURFACES WITH DOUBLE POINTS PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL AND PHYSICAL SCIENCES, 1958, 247 (1249): : 237 - 244