1. A non-linear model on the promotion of staff;Young;J. R. Statist. Soc.,1974
2. On the limiting structure of an expanding Markovian system with given size;Vassiliou;Rev. Roum. Math. Pures Appl.,1979
3. On the limiting behaviour of a nonhomogeneous Markov chain model in manpower systems;Vassiliou;Biometrika,1981a
4. A high order Markovian model for promotion in manpower systems;Vassiliou;J. R. Statist. Soc.,1978