1. A Systems Approach to the Study of Crime and Criminal Justice;Blumstein,1967
2. Quarterly Progress Reports;Bottoms,1968
3. The Theory of Search, Part I;Koopman;Operations Research,1956
4. The Theory of Search, Part II;Koopman;Operations Research,1956
5. The Theory of Search, Part III;Koopman;Operations Research,1956