1. Queues with semi-Markovian arrivals;Çinlar;J Appl Probab,1967
2. The busy period in relation to the single server queueing system with general independent arrivals and Erlangian service time;Conolly;J R Stat Soc [Ser B],1969
3. Geometric distribution in some two-dimensional queueing systems;Evans;Oper Res,1967
4. Wallace V The solution of quasi birth and death processes arising from multiple access computer systems [PhD thesis] 1969
5. The Markov renewal branching process;Neuts,1974