ZHMUD, B., PASALSKIY, B., & СHYKUN N. (2013). Nanomaterials in lubricants. "INTERNATIONAL·SCIENTIFIC-·PRACTICAL·JOURNAL·COMMODITIES·AND·MARKETS", 15(1), 131–137. etrieved from https://journals.knute.edu.ua/commodities-and-markets/article/view/1334