| Phylogenetic structure of the prokaryotic domain: the primary kingdoms CR Woese, GE Fox Proceedings of the National Academy of Sciences 74 (11), 5088-5090, 1977 | 5535 | 1977 |
| Methanogens: reevaluation of a unique biological group WE Balch, GE Fox, LJ Magrum, CR Woese, RS Wolfe Microbiological reviews 43 (2), 260-296, 1979 | 3616 | 1979 |
| How close is close: 16S rRNA sequence identity may not be sufficient to guarantee species identity GE Fox, JD Wisotzkey, P Jurtshuk Jr International Journal of Systematic and Evolutionary Microbiology 42 (1 …, 1992 | 1768 | 1992 |
| Archaebacteria CR Woese, LJ Magrum, GE Fox Journal of molecular evolution 11, 245-252, 1978 | 811 | 1978 |
| Comparative Cataloging of 16S Ribosomal Ribonucleic Acid: Molecular Approach to Procaryotic Systematics GE Fox, KR Pechman, CR Woese International Journal of Systematic and Evolutionary Microbiology 27 (1), 44-57, 1977 | 560 | 1977 |
| Classification of methanogenic bacteria by 16S ribosomal RNA characterization GE Fox, LJ Magrum, WE Balch, RS Wolfe, CR Woese Proceedings of the National Academy of Sciences 74 (10), 4537-4541, 1977 | 538 | 1977 |
