TY - RPRT TI - Sand provenance boundary in the Mu Us Sandy Land of northern China AU - Maotong Li AU - Junsheng Nie AU - Haobo Zhang AU - Katharina I. Pfaff AU - Zengjie Zhang PY - 2025 DO - 10.1016/j.geomorph.2025.110005 UR - https://pubs.usgs.gov/publication/70272213 ID - 70272213 ER -