TY - BOOK AU - Hayes,M.H.B. AU - Wilson,W.S. TI - Humic Substances in Soils, Peats and Waters: Health and Environmental Aspects SN - 0854046992 PY - 1997/// CY - Cambridge PB - The Royal Society of Chemistry KW - humanic substances KW - peats KW - sludges KW - waters ER -