@misc{chemical+and+thermal+methods+for+removing+ammonia+from+fly+ashes,
    author = {Mazur, Magdalena i Janda, Tomasz i Żukowski, Witold},
    title = {Chemical and thermal methods for removing ammonia from fly ashes},
    journal = {Technical Transactions},
    address = {Kraków},
    publisher = {<a href=\"http://www.wydawnictwo.pk.edu.pl/\" target=\"_blank\">Wydawnictwo PK</a>},
    date = {2017},
    number = {Y. 114, vol. 6}
}