1. Aki, S. (1992). Waiting time problems for a sequence of discrete random variables, Annals of the Institute of Statistical Mathematics, 44, 363–378.
2. Aki, S. and Hirano, K. (1993). Discrete distributions related to succession events in a two-state Markov chain, In Statistical Science and Data Analysis (Eds., K. Matusita, M. L. Puri and T. Hayakawa), pp. 467–474, Amsterdam: VSP International Science Publishers.
3. Aki, S., Balakrishnan, N. and Mohanty, S. G. (1996). Sooner and later waiting time problems for success and failure runs in higher order Markov dependent trials, Annals of the Institute of Statistical Mathematics, 48, 773–787.
4. Balakrishnan, N. and Koutras, M. V. (1997). Runs and Patterns with Applications, (under preparation).
5. Balasubramanian, K., Viveros, R. and Balakrishnan, N. (1993). Sooner and later waiting time problems for Markovian Bernoulli trials, Statistics&Probability Letters, 18, 153–161.