| 2018-06-27 | Reference included | | | Caleb et al., 2018a |
| 2018-06-27 | Reference included | | | Logunov, 2018b |
| 2018-06-27 | Reference included | | | Lissner, 2018a |
| 2018-06-27 | Reference included | | | Zamani & Marusik, 2018a |
| 2018-06-27 | Reference included | | | Hedin et al., 2018b |
| 2018-06-25 | Reference included | | | Esyunin & Pakhorukov, 1992 |
| 2018-06-23 | Reference included | | | Lissner et al., 2018 |
| 2018-06-22 | Reference included | | | Ranasinghe & Benjamin, 2018b |
| 2018-06-22 | Reference included | | | Souza & Ferreira, 2018 |
| 2018-06-19 | Reference included | | | Kanesharatnam & Benjamin, 2018 |
| 2018-06-15 | Reference included | | | Sankaran & Sebastian, 2018c |
| 2018-06-15 | Reference included | | | Almeida, Salvatierra & de Morais, 2018a |
| 2018-06-15 | Reference included | | | Labarque, Pérez-González & Griswold, 2018 |
| 2018-06-13 | Reference included | | | Sun, Lan & Zhang, 2018 |
| 2018-06-13 | Reference included | | | Zhang, Lu & Chen, 2018 |
| 2018-06-13 | Reference included | | | Tian, Zhou & Peng, 2018 |
| 2018-06-13 | Reference included | | | Wang & Zhang, 2018b |
| 2018-06-12 | Reference included | | | Marusik, Omelko & Koponen, 2018 |
| 2018-06-12 | Reference included | | | Milne & Wells, 2018 |
| 2018-06-06 | Reference included | | | Hirna, 2018 |
| 2018-06-05 | Reference included | | | Szombathy, 1915b |
| 2018-06-05 | Reference included | | | Li et al., 2018a |
| 2018-06-05 | Reference included | | | Zhang, Zhang & Yu, 2018 |
| 2018-06-03 | Reference included | | | Coşar & Danışman, 2018 |
| 2018-06-01 | Reference included | | | Sánchez-Ruiz & Brescovit, 2018 |
| 2018-06-01 | Reference included | | | Jin, Ma & Tu, 2018 |
| 2018-06-01 | Reference included | | | Bosselaers, 2018a |
| 2018-05-30 | Reference included | | | Martínez, Brescovit & Martínez, 2018 |
| 2018-05-30 | Reference included | | | Yao et al., 2018 |
| 2018-05-29 | Reference included | | | Edwards & Baert, 2018 |
| 2018-05-24 | Reference included | | | Topçu & Demircan, 2018b |
| 2018-05-24 | Reference included | | | Gündüz & Allahverdi, 2018b |
| 2018-05-24 | Reference included | | | Boukan et al., 2018 |
| 2018-05-24 | Reference included | | | Obalı & Topçu, 2018 |
| 2018-05-23 | Reference included | | | Amanda et al., 2018 |
| 2018-05-16 | Reference included | | | Rix et al., 2018b |
| 2018-05-15 | Reference included | | | Bosmans & Oger, 2018 |
| 2018-05-15 | Reference included | | | Schäfer & Breitling, 2018 |
| 2018-05-15 | Reference included | | | Suárez, 2018 |
| 2018-05-15 | Reference included | | | Lissner & Chatzaki, 2018 |
| 2018-05-15 | Reference included | | | Guttenberger, Guttenberger & Bauer, 2018 |
| 2018-05-11 | Reference included | | | Andre & Hüsser, 2018 |
| 2018-05-09 | Reference included | | | Deltshev et al., 2011b |
| 2018-05-09 | Reference included | | | Godwin et al., 2018 |
| 2018-05-09 | Reference included | | | Wang & Zhang, 2018a |
| 2018-05-04 | Reference included | | | Kallal et al., 2018 |
| 2018-05-02 | Reference included | | | Logunov & Azarkina, 2018 |
| 2018-05-02 | Reference included | | | Šestáková et al., 2018 |
| 2018-05-01 | Reference included | | | Prete, Cizauskas & Brescovit, 2018 |
| 2018-05-01 | Reference included | | | Martins & Santos, 2018 |