Li, Jin-Fen [Assessment of the Availability of Soil Copper and Related Influencing Factors at a County Scale]. [electronic resource] - Huan jing ke xue= Huanjing kexue Jan 2018 - 363-370 p. digital Publication Type: English Abstract; Journal Article ISSN: 0250-3301 Standard No.: 10.13227/j.hjkx.201705182 doi