Previtali F, Assi I, Šefrna L. Pedosequences in Northern Tien Shan mountain belt (Kazakhstan-Kirgizstan). Geog. Fis. Dinam. Quat. 1997;20(1):157-167. Accessed April 14, 2025. https://www.gfdq.glaciologia.it/index.php/GFDQ/article/view/575