TY - RPRT TI - Dune mobility and aridity at the desert margin of northern China at a time of peak monsoon strength AU - J.A. Mason AU - H. Lu AU - Y. Zhou AU - X. Miao AU - J. B. Swinehart AU - Z. Liu AU - R.J. Goble AU - S. Yi PY - 2009 DO - 10.1130/g30240a.1 UR - https://pubs.usgs.gov/publication/70037402 ID - 70037402 ER -