Milovanović, J., Eich-Greatorex, S., Krogstad, T., Rakic, V. and Rajic, N. 2015. The use of clinoptilolite as an ammonia adsorbent and a nitrogen carrier to be used in grass production. Journal of the Serbian Chemical Society. 80, 9 (Oct. 2015), 1203–1214. DOI:https://doi.org/10.2298/JSC150317042M.