A New Multivariate Gamma Distribution and its Fitting to Empirical Streamflow Data. Water Resources Research 14(1978) 19-24. With T. Szántai.
Estimation of Cause-Effect Relationship under Noise. Journal of Applied Probability, 31A(1994), 343-350.
Lower and Upper Bounds for the Time of Failure in Reliability Systems. Applied Mathematical Papers (Alkalmazott Matematikai Lapok) 21(2004) 131-149. With A. Horváth (in Hungarian).