1. Developments in Dual System Estimation of Population Size and Growth;Krotki,1978
2. A study of the correlation bias of unrecorded events by two independent estimation systems;Rumford;Popul. Stud.,1979
3. Introduction to the Study of Animal Populations;Andrewartha,1970
4. Estimating the Number of Narcotic Addicts;Greenwood,1971
5. Seeking truth in heroin indicators: the case of New York City;Blanche;Drug Alcohol Depend.,1978