@misc{experimental+study+to+develop+a+control+system+for+submersible+mixers+in+biogas+plants,
    author = {Brehmer, Manuel i Kraume, Matthias},
    title = {Experimental study to develop a control system for submersible mixers in biogas plants},
    journal = {Technical Transactions},
    address = {Kraków},
    publisher = {<a href=\"http://www.wydawnictwo.pk.edu.pl/\" target=\"_blank\">Wydawnictwo PK</a>},
    date = {2016},
    number = {Y. 113, iss. 1-M}
}