Rise and decline of ancient salt industry revealed by Na and Ca concentrations in sediments at Zhongba site, Chongqing
ZHU Cheng, JIANG Fengqing, MA Chunmei, XU Weifeng, HUANG Linyan, ZHENG Chaogui, LI Lan, SUN Zhibin
Journal of Geographical Sciences . 2008, (3): 328 -340 .  DOI: 10.1007/s11442-008-0328-6