@misc{influence+of+polymer+surfactant+additives+on+pressure+drops+in+pipe+flow,
    author = {Matras, Zbigniew i Kopiczak, Bartosz},
    title = {Influence of polymer-surfactant additives on pressure drops in pipe flow},
    journal = {20<sup>th</sup> International Conference of Process Engineering and Chemical Plant Design : Conference Proceedings, Berlin, October 15-17, 2014},
    address = {Berlin},
    publisher = {Technische Universität},
    date = {2014}
}