G. Žėkaitė, V. Jaška, K. Poška, M. Andrulytė, and S. Grigiškis, “Microorganisms Producing Biosurfactant Selection and Characterization of New Discovered Bioemulsifier that will be Used to Create Ecological Heating Production Technology”, ETR, vol. 1, pp. 222–226, Aug. 2015, doi: 10.17770/etr2013vol1.840.