Geometric ambiguities in boundary representations
        
        
            
            
            
            
            
            
            Christoph M Hoffmann
            
            
            
             
            
            
            
            and 
            
            
            
            
            
            John E Hopcroft
            
            
            
            
        
        
        
            Computer-aided design - 1987
            
        
        
        
            Computer-aided design - 1987
        
        
        Hoffmann, Christoph M., and John E. Hopcroft. “Geometric Ambiguities in Boundary Representations.” Computer-Aided Design, vol. 19, no. 3, 1987, pp. 141–47, https://doi.org/10.1016/0010-4485(87)90198-9.
        @article{hoffmann1987geometric,
  title = {Geometric ambiguities in boundary representations},
  author = {Hoffmann, Christoph M and Hopcroft, John E},
  journal = {Computer-aided design},
  volume = {19},
  number = {3},
  pages = {141--147},
  year = {1987},
  publisher = {Elsevier},
  doi = {10.1016/0010-4485(87)90198-9},
  pdf = {Hoffmann-Computer_aided_Design-1987-Geometric_ambiguities_in_boundary_representations.pdf}
}