Joachim Niehren, 
   Manfred Pinkal and 
   Peter Ruhrberg. On Equality up-to Constraints over Finite Trees, Context Unification and One-Step Rewriting.  In 
   W. McCune editor,  14th International Conference on Automated Deduction (CADE 14), July 13-17, (1249):34-48, Springer, Townsville, Australia,   1997.   [Abstract]      google  [Annote]
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