WASET
    Bothinah Altaf and  Gary Montague and  Elaine B. Martin,  Dynamic Process Monitoring of an Ammonia Synthesis Fixed-Bed Reactor.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2016, vol. 111(3). 462 - 472
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/10003724.