Lanckriet, S.; Rangan, H.; Nyssen, J.; Frankl, A. (2017). Late Quaternary changes in climate and land cover in the Northern Horn of Africa and adjacent areas. Palaeogeogr. Palaeoclimatol. Palaeoecol. 482: 103-113. https://dx.doi.org/10.1016/j.palaeo.2017.05.035, meer
Lanckriet, S.; Frankl, A.; Adgo, E.; Termonia, P.; Nyssen, J. (2015). Droughts related to quasi-global oscillations: a diagnostic teleconnection analysis in North Ethiopia. Int. J. Climatol. 35(7): 1534-1542. https://dx.doi.org/10.1002/joc.4074, meer