Published Denitrification as a component of Nitrogen Budget in a Tropical Paddy Field by Pathak B.K., Iida T. and Kazama F. 159-165_309_ PATHAK_9-2.pdf
Published Removal of ammonia by clinoptilolite by Zabochnicka-Swiatek M. and Malinska K. 256-261_724_Zabochnicka_12-3.pdf