@INPROCEEDINGS{DTreesPFMPC88,
        author = "L. V. Kal{\'e} and B. Ramkumar",
        title = "D-Trees: {A} Class of Dense Regular
Interconnection Topologies",
        booktitle ="Proceedings of the Frontiers of Massively
Parallel Computation",
        month = "Oct", 
        year = "1988", 
        pages = "207-210",
        annote = "88-2",
        group = Y,
}