@misc{intensification+of+drag+reduction+effect+by+simultaneous+addition+of+surfactant+and+high+molecular+polymer+into+the+solvent, author = {Matras, Zbigniew i Kopiczak, Bartosz}, title = {Intensification of drag reduction effect by simultaneous addition of surfactant and high molecular polymer into the solvent}, journal = {Chemical Engineering Research and Design}, publisher = {Elsevier B.V.}, date = {2015}, number = {vol. 96}, ISSN = {02638762} }