Published Nutrient and trace metal distribution in the Gulf of Astakos, Aetoloakarnania, Greece by Eleftheriadou Maria, Skoullos M. 16_eleftheriadou.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