1. Selective dissemination of information project: report of work carried out during the period 1 October 1965–28 February 1966;Aitchison,1966
2. NASA selective dissemination of information program;Young,1966
3. Implementation, test and evaluation of a selective dissemination system for NASA scientific and technical information;IBM Corporation,1966
4. The TIP retrieval system at MIT;Mathews,1967
5. Comprehensive dissemination of current literature;Sage;Am. Docum,1966