Your search returned the following 2 documents:

2. Improving Control of Logic Programs by Using Functional Logic Languages
   Michael Hanus
   In: Proceedings 4th International Symposium on Programming Language Implementation and Logic Programming, Leuven, Belgium, 1992, 1992, 1-23
   
1. A Debugging Model for Functional Logic Programs
   Michael Hanus and Berthold Josephs
   In: Proceedings of the 5th International Symposium on Programming Language Implementation and Logic Programming (PLILP-93), Tallinn, Estonia, August, 25-27, 1993, 28-43. Note: Also available as Research Report MPI-I-93-222