@misc{control+of+absorption+chillers+by+insight+the+characteristic+equation,
    author = {Kühn, Annett i Petersen, Stefan i Ziegler, Felix i Albers, Jan},
    title = {Control of absorption chillers by insight: the characteristic equation},
    journal = {Czasopismo Techniczne. Mechanika},
    address = {Kraków},
    publisher = {<a href=\"http://www.wydawnictwo.pk.edu.pl/\" target=\"_blank\">Wydawnictwo PK</a>},
    date = {2008},
    number = {R. 105, Z. 6, 5-M}
}