| 1971 | ||
|---|---|---|
| 1 | E. J. Scott, H. M. Townley, B. T. Stern: A technique for the evaluation of a commercial information service and some preliminary results from the drugdoc service of the excerpta medica foundation. Information Storage and Retrieval 7(4): 149-165 (1971) | |
| 1 | E. J. Scott | [1] |
| 2 | B. T. Stern | [1] |