An on-line natural language information retrieval system for use by police investigative units [By] Nelson B. Heller [and] David Alan BirdNelson B. Heller · First published 1971Open the Tome
What law enforcement can gain from computer designed work schedulesNelson B. Heller · First published 1975Open the Tome
The use of an incident seriousness index in the deployment of police patrol manpowerNelson B. Heller · First published 1972Open the Tome
Operations research at the St. Louis Metropolitan Police DepartmentNelson B. Heller · First published 1971Open the Tome
The use of simulation in planning expansion of the St. Louis police real-time motor vehicle inquiry systemNelson B. Heller · First published 1970Open the Tome
![Placeholder cover for An on-line natural language information retrieval system for use by police investigative units [By] Nelson B. Heller [and] David Alan Bird](/images/parchment.webp)