Bus-Based Tree Structures for Efficient Parallel Computation. - Omkar M. Dighe; Ramachandran Vaidyanathan; Si-Qing Zheng (ICPP (1), 1993)

The Bus-Connected Ringed Tree: A Versatile Interconnection Network. - Omkar M. Dighe; Ramachandran Vaidyanathan; Si-Qing Zheng (J. Parallel Distributed Comput., 1996)