@misc{methods+for+removal+of+heavy+metals+from+acid+mine+drainage,
    author = {Kovaliková, Natália i Bálintová, Magdaléna},
    title = {Methods for removal of heavy metals from acid mine drainage},
    journal = {Czasopismo Techniczne. Chemia},
    address = {Kraków},
    publisher = {<a href=\"http://www.wydawnictwo.pk.edu.pl/\" target=\"_blank\">Wydawnictwo PK</a>},
    date = {2008},
    number = {R. 105, Z. 16, 2-Ch}
}