Published Water chemistry and biology in a shallow lake (Lake Pamvotis - Greece). Present state and perspectives by Kagalou If., Tsimarakis G., Paschos I. kagalou85-94.pdf
Published Use of ion exchange for removal of Ammonium: A biological regeneration of zeolite by Rahmani A.R., Mahvi A.H. 146-150_RAHMANI_396_8-2.pdf