1. Stochastic Models of Birth Intervals According to Data Ascertainment Method and Relevant Fertility Indices;Abul-ata,1987
2. A probability model for interior birth interval and its applications;Bhattacharya;Can. Stud. Popul.,1986
3. The distribution of births in human population in rural Taiwan;Brass;Popul. Stud.,1958
4. The Theory of Stochastic Processes;Cox,1965
5. Certain modified forms of binomial and Poisson distributions;Dandekar;Sankhya,1955