TY - BOOK AU - Verma, Ravi Shankar TI - Utilization of lignite fly ash for abatement of phosphorous toxicity from phosphorous rich waste water U1 - Th 333.7 21st ed. PY - 2006/// CY - Dehradun: PB - Central Fuel Research Institute, KW - Environmental management KW - Waste water N1 - Thesis- (M.Sc)- Forest Research Institute, 2006 ER -