Your search returned the following 2 documents:

2. Maintaining dynamic sequences under equality-tests in polylogarithmic time
   Kurt Mehlhorn, R. Sundar, and Christian Uhrig
   In: Discrete algorithms (SODA-94) : 5th annual ACM-SIAM symposium, Arlington, USA, 1994, 213-222
   
1. Maintaining Dynamic Sequences under Equality Tests in Polylogarithmic Time
   Kurt Mehlhorn, R. Sundar, and Christian Uhrig
   Algorithmica 17 (2): 183-198, 1997