| Comparative efficiency of searching abstract text in the Chemical Abstracts Service database | 1 | 0.63 | 1985 |
| The third BASIC fragment search dictionary | 0 | 0.34 | 1982 |
| Substructure Retrieval by Means of the BASIC Fragment Search Dictionary Based on the Chemical Abstracts Service Chemical Registry III System | 2 | 0.35 | 1979 |
