Mollov, I. A., (2019). Ecologia Balkanica 11(2), 269-278. Union of Scientists in Bulgaria, Sofia, Bulgaria. English language
Lloyd, R. B., Jr., Warner, D. A., (2019). Behaviour 156(3/4), 265-285. Brill Academic Publishers, Leiden, Netherlands. English language
Kuzmanova, Y., Natcheva, I., Koleva, V., Popgeorgiev, G., Slavchev, M., Natchev, N., (2018). Zoology and Ecology 28(4), 329-336. Taylor & Francis, Abingdon, UK. English language
Geng Jun, Dang Wei, Wu Qiong, Lu HongLiang, (2018). Acta Herpetologica 13(1), 83-88. Firenze University Press, Firenze, Italy. English language
Cook, C. E., McCluskey, A. M., Chambers, R. M., (2018). Estuaries and Coasts 41(4), 966-973. Springer, New York, USA. English language
Hayes, F. E., Turner, D. G., Weidemann, D. E., (2018). Chelonian Conservation and Biology 17(2), 309-313. Allen Press Inc, Lawrence, USA. English language
Koren, T., Štih, A., Burić, I., Koller, K., Lauš, B., Zadravec, M., (2018). Natura Sloveniae 20(1), 33-44. Natura Sloveniae, Ljublijana, Slovenia. English language
Cerasoli, F., Iannella, M., Biondi, M., (2019). Management of Biological Invasions 10(3), 428-448. Regional Euro-Asian Biological Invasions Centre (REABIC), Helsinki, Finland. English language
Maceda-Veiga, A., Escribano-Alacid, J., Martínez-Silvestre, A., Verdaguer, I., MacNally, R., (2019). Biological Invasions 21(9), 2933-2947. Springer, Amsterdam, Netherlands. English language
Perera, A., Hernandez-Sastre, P., Ayres, C., (2019). Biological Invasions 21(12), 3467-3471. Springer, Amsterdam, Netherlands. English language