| Rank | Title | Journal | Year | PubWeight™‹?› |
|---|---|---|---|---|
| 1 | Development of a beta-galactosidase alpha-complementation system for molecular cloning in Bacillus subtilis. | Gene | 1990 | 1.38 |
| 2 | An improved beta-galactosidase alpha-complementation system for molecular cloning in Bacillus subtilis. | Gene | 1990 | 1.17 |