| 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 |
| 2018-05-01 | Reference included | | | Malik et al., 2018 |
| 2018-04-30 | Reference included | | | Zhang, Yu & Zhong, 2018 |
| 2018-04-27 | Reference included | | | Chatterjee et al., 2018b |
| 2018-04-27 | Reference included | | | Dentici, 2018 |
| 2018-04-22 | Reference included | | | Galvis, 2018b |
| 2018-04-22 | Reference included | | | Galvis, 2018a |
| 2018-04-22 | Reference included | | | Galvis et al., 2018 |
| 2018-04-22 | Reference included | | | Bedoya-Róqueme, Galvis & Martínez, 2018 |
| 2018-04-22 | Reference included | | | Sekhar & Sunil Jose, 2016 |
| 2018-04-22 | Reference included | | | Sunil Jose, 2017c |
| 2018-04-22 | Reference included | | | Sunil Jose, 2017b |
| 2018-04-22 | Reference included | | | Sekhar & Sunil Jose, 2018 |
| 2018-04-20 | Reference included | | | Pantini & Mazzoleni, 2018 |
| 2018-04-20 | Reference included | | | Paul et al., 2018 |
| 2018-04-18 | Reference included | | | Zonstein, 2018a |
| 2018-04-18 | Reference included | | | Kishida, 1915 |
| 2018-04-17 | Reference included | | | Caleb & Kumar, 2018 |
| 2018-04-16 | Reference included | | | Schendel et al., 2018 |
| 2018-04-15 | Reference included | | | Breitling, 2018 |
| 2018-04-15 | Reference included | | | Gallon & Farr, 2018 |
| 2018-04-14 | Reference included | | | Russell-Smith et al., 2013 |
| 2018-04-14 | Reference included | | | Prince, 2018 |
| 2018-04-12 | Reference included | | | González, 2018 |
| 2018-04-12 | Reference included | | | Rix et al., 2018a |
| 2018-04-12 | Reference included | | | Lomazi et al., 2018 |