WASET
    Kiurski S. Jelena and  Kecić S. Vesna and  Oros B. Ivana and  Ranogajec G. Jonjaua,  Ammonia Release during Photocopying Operations.   journal   = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2014, vol. 88(4). 258 - 262
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/9997954.