| 2019-05-14 | Reference included | | | Türkeş, 2019a |
| 2019-05-14 | Reference included | | | Asalatha & Prasadan, 2019 |
| 2019-05-14 | Reference included | | | Al-Khazali & Hussein, 2019 |
| 2019-05-13 | Reference included | | | Hedin et al., 2019 |
| 2019-05-10 | Reference included | | | Hu & Zhang, 2019 |
| 2019-05-10 | Reference included | | | Liu, Yu & Tong, 2019 |
| 2019-05-10 | Reference included | | | Lu, Tian & Chen, 2019 |
| 2019-05-10 | Reference included | | | Yu & Li, 2019b |
| 2019-05-10 | Reference included | | | Sun et al., 2019 |
| 2019-05-10 | Reference included | | | Yuan, Zhao & Zhang, 2019 |
| 2019-05-10 | Reference included | | | Zhao et al., 2019 |
| 2019-05-08 | Reference included | | | Maddison & Szűts, 2019 |
| 2019-05-07 | Reference included | | | Fu, Zhang & Zhang, 2016b |
| 2019-05-03 | Reference included | | | Ruiz & Rego, 2019 |
| 2019-05-03 | Reference included | | | Piacentini & Ramírez, 2019 |
| 2019-04-29 | Reference included | | | Rix, Wilson & Harvey, 2019 |
| 2019-04-23 | Reference included | | | Framenau, 2019 |
| 2019-04-18 | Reference included | | | Breitling, 2019a |
| 2019-04-18 | Reference included | | | Kanesharatnam & Benjamin, 2019 |
| 2019-04-16 | Reference included | | | Wilson et al., 2019 |
| 2019-04-15 | Reference included | | | Jin, Zhang & Zhang, 2019 |
| 2019-04-15 | Reference included | | | Liu et al., 2019b |
| 2019-04-15 | Reference included | | | Kallal & Hormiga, 2019 |
| 2019-04-15 | Reference included | | | Magalhaes & Grismado, 2019 |
| 2019-04-11 | Reference included | | | Sankaran & Sebastian, 2019 |
| 2019-04-10 | Reference included | | | Mbo & Haddad, 2019 |
| 2019-04-09 | Reference included | | | Nuruyeva, 2017 |
| 2019-04-08 | Reference included | | | Tanasevitch, 2019f |
| 2019-04-08 | Reference included | | | Tanasevitch, 2019e |
| 2019-04-08 | Reference included | | | Logunov & Obenauer, 2019 |
| 2019-04-07 | Reference included | | | Yu & Zhang, 2019 |
| 2019-04-07 | Reference included | | | Pawaria et al., 2018 |
| 2019-04-07 | Reference included | | | Kamble et al., 2018 |
| 2019-04-04 | Reference included | | | Talwar et al., 2018 |
| 2019-04-04 | Reference included | | | Mezőfi & Markó, 2019 |
| 2019-04-02 | Reference included | | | Liu et al., 2019a |
| 2019-04-01 | Reference included | | | Marusik, Nekhaeva & Koponen, 2019 |
| 2019-04-01 | Reference included | | | Nekhaeva, Marusik & Buckle, 2019 |
| 2019-04-01 | Reference included | | | Gabriel & Sherwood, 2019b |
| 2019-04-01 | Reference included | | | Tanasevitch & Marusik, 2019 |
| 2019-04-01 | Reference included | | | Tanasevitch, 2019d |
| 2019-04-01 | Reference included | | | Basumatary et al., 2019 |
| 2019-04-01 | Reference included | | | Benjamin & Ranasinghe, 2019a |
| 2019-04-01 | Reference included | | | Sherwood, 2019a |
| 2019-04-01 | Reference included | | | Sudhin et al., 2019a |
| 2019-04-01 | Reference included | | | Sanap, Caleb & Joglekar, 2019 |
| 2019-04-01 | Reference included | | | Logunov, 2019 |
| 2019-03-30 | Reference included | | | Azarkina & Zamani, 2019 |
| 2019-03-27 | Reference included | | | Haddad, 2019 |
| 2019-03-25 | Reference included | | | Al-Khazali & Jäger, 2019 |