D. Jasikova and  M. Kotek and  V. Kopecky,  The Study of Super Hydrophobic Surfaces Using High Speed Shadowgraphy.   journal   = {International Journal of Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2013, vol. 83(11). 813 - 818
    [viewed 04 July 2020]. Available from: https://publications.waset.org/pdf/17282.