| Gene transfers, like fossils, can date the tree of life Provider: videolectures.net Language: English |
| Sedimentary Geology Provider: mit opencourseware Language: English |
| Microbiology: OpenStax Provider: ecampusontario open library Language: English |
| Microbiology: Canadian Edition Provider: ecampusontario open library Language: English |
| Systems Microbiology Provider: mit opencourseware Language: English |
| Biology: OpenStax Provider: ecampusontario open library Language: English |
| 4.6 Archaea Provider: openstax cnx Language: English |
| Molecular Biogeochemistry Provider: mit opencourseware Language: English |
| Paleoceanography Provider: mit opencourseware Language: English |
| La chimica nella scuola primaria Provider: university of bologna digital library Language: Italian |