1. Abundances of the elements: meteoritic and solar;Anders;Geochim. Cosmochim. Acta,1989
2. Deng, Y. (Ed.), 1992. Regional Geology of Tianjin Municipality. Geological Publishing House, Beijing, China (in Chinese).
3. The rare earth elements in sea water;Elderfield;Nature,1982
4. Sedimentary geochemistry of Sinian strata in the Jixian region, North China;Fan;Geochemistry,1982
5. Geological Team No. 10, Hebei Geological Bureau, 1975. Geological report of Dongshuichang boron–manganese deposit. Unpublished (in Chinese).