Yakimenko E.V., Fenzel Andrey, Sukharev Maxim, Chernykh Tatyana A STUDY OF THE PROPERTIES OF AN OIL-BASED DRILLING FLUID WITH USING EMULSIFIER EM-4
// Journal of Economics and Social Sciences. – 2017. – № 10;
URL: jess.esrae.ru/ru/59-246 (дата обращения:
23.12.2024).