| 2021-08-02 | Reference included | | | Rubio, Baigorria & Stolar, 2021a |
| 2021-07-31 | Reference included | | | Babu, Caleb & Prasad, 2021 |
| 2021-07-30 | Reference included | | | Lin, 2021 |
| 2021-07-30 | Reference included | | | Cheng et al., 2021 |
| 2021-07-30 | Reference included | | | Huang et al., 2021c |
| 2021-07-30 | Reference included | | | Zhang, Yu & Li, 2021b |
| 2021-07-30 | Reference included | | | Lin et al., 2021b |
| 2021-07-29 | Reference included | | | Logunov, 2021c |
| 2021-07-29 | Reference included | | | Fomichev & Marusik, 2021b |
| 2021-07-29 | Reference included | | | Eskov & Marusik, 2021 |
| 2021-07-29 | Reference included | | | Narro-Martín & Cabanillas, 2021 |
| 2021-07-29 | Reference included | | | Zonstein, 2021 |
| 2021-07-29 | Reference included | | | Zhang et al., 2021a |
| 2021-07-28 | Reference included | | | Dupérré et al., 2021 |
| 2021-07-27 | Reference included | | | Framenau et al., 2021a |
| 2021-07-23 | Reference included | | | Nascimento, Netto & Indicatti, 2021 |
| 2021-07-22 | Reference included | | | Liang et al., 2021a |
| 2021-07-20 | Reference included | | | Hunter, 2019 |
| 2021-07-20 | Reference included | | | Poole, 2019 |
| 2021-07-20 | Reference included | | | Xavier & Bonaldo, 2021 |
| 2021-07-14 | Reference included | | | Sánchez-Ruiz, Martínez & Bonaldo, 2021 |
| 2021-07-12 | Reference included | | | Wilson & Rix, 2021 |
| 2021-07-10 | Reference included | | | Im & Kim, 2021 |
| 2021-07-08 | Reference included | | | Okumura, 2021 |
| 2021-07-08 | Reference included | | | Pett, 2021b |
| 2021-07-07 | Reference included | | | Basumatary & Brahma, 2021 |
| 2021-07-07 | Reference included | | | Basumatary, Caleb & Brahma, 2021 |
| 2021-07-07 | Reference included | | | Kamura, 2021a |
| 2021-07-07 | Reference included | | | Suzuki & Serita, 2021c |
| 2021-07-07 | Reference included | | | Prasad et al., 2021b |
| 2021-07-07 | Reference included | | | Kenichi, 2021 |
| 2021-07-07 | Reference included | | | Tanikawa & Petcharad, 2021 |
| 2021-07-07 | Reference included | | | Karthika, Aswathy & Sunil Jose, 2021 |
| 2021-07-07 | Reference included | | | Luis de la Iglesia et al., 2021 |
| 2021-07-07 | Reference included | | | Hernández-Corral, Urones & Ferrández, 2021 |
| 2021-07-07 | Reference included | | | Fomichev & Omelko, 2021 |
| 2021-07-06 | Reference included | | | Febrer & Barrientos, 2021 |
| 2021-07-06 | Reference included | | | Ferrández & Hoyas, 2021 |
| 2021-07-06 | Reference included | | | Barrientos et al., 2021 |
| 2021-07-06 | Reference included | | | Hernández-Corral & Barrientos, 2021a |
| 2021-07-05 | Reference included | | | Sherwood & Gabriel, 2021b |
| 2021-07-05 | Reference included | | | Roberts, 1997 |
| 2021-07-05 | Reference included | | | Nellist, 1996 |
| 2021-07-05 | Reference included | | | Dobson, 1992 |
| 2021-07-05 | Reference included | | | Pett, 2021a |
| 2021-07-05 | Reference included | | | Zamani & Marusik, 2021c |
| 2021-07-05 | Reference included | | | Buchar & Dolejš, 2021 |
| 2021-07-05 | Reference included | | | Pett, Rubio & Stolar, 2021 |
| 2021-07-05 | Reference included | | | Sherwood et al., 2021c |
| 2021-07-05 | Reference included | | | Bosmans, 2021 |