@misc{mixing+characteristics+for+gas+liquid+system+in+an+external+loop+air+lift+column,
    author = {Musiał, Monika i Bitenc, Marcelina i Karcz, Joanna},
    title = {Mixing characteristics for gas-liquid system in an external-loop air-lift column},
    journal = {Technical Transactions},
    address = {Kraków},
    publisher = {<a href=\"http://www.wydawnictwo.pk.edu.pl/\" target=\"_blank\">Wydawnictwo PK</a>},
    date = {2014},
    number = {Y. 111, iss. 2-Ch}
}