A spatial constraint problem
        
        
            
            
            
            
            
            
            Christoph M Hoffmann
            
            
            
             
            
            
            
            and 
            
            
            
            
            
            Pamela J Vermeer
            
            
            
            
        
        
        
            Computational Kinematics’ 95 - 1995
            
        
        
        
            Computational Kinematics’ 95 - 1995
        
        
        ---. “A Spatial Constraint Problem.” Computational Kinematics’ 95, Springer, 1995, pp. 83–92, https://doi.org/10.1007/978-94-011-0333-6_9.
        @incollection{hoffmann1995spatial,
  title = {A spatial constraint problem},
  author = {Hoffmann, Christoph M and Vermeer, Pamela J},
  booktitle = {Computational Kinematics’ 95},
  pages = {83--92},
  year = {1995},
  publisher = {Springer},
  doi = {10.1007/978-94-011-0333-6_9},
  pdf = {Hoffmann-Computational_Kinematics-1995-A_Spartial_Constraint_Problem.pdf}
}