Rüb, Christine Algorithms and Complexity, MPI for Informatics, Max Planck Society;
https://rdcu.be/dtZ5y (Verlagsversion)
Rüb, C. (1995). On the Average Running Time of Odd-Even Merge Sort. In E. W. Mayr, & C. Puech (Eds.), STACS 95 (pp. 491-501). Berlin: Springer.