@article {Aoyama:2003:0960-8524:317, author = "Aoyama M.", title = "Comment on ''Biosorption of chromium(VI) from aqueous solution by cone biomass of Pinus sylvestris''", journal = "Bioresource Technology", volume = "89", number = "3", year = "2003", abstract = "", pages = "317-318", url = "http://www.ingentaconnect.com/content/els/09608524/2003/00000089/00000003/art00069", doi = "doi:10.1016/S0960-8524(03)00069-5 " }