Getman, B     Quality control of the combustive-lubricating materials for the aircraft engines with the help of the ultra sound [Текст] : abstract / B Getman, D. Buchkovskiy // International Conference of Students and Young Scientists Polit-2003. Aerospace & Electronic Systems and Technologies : abstracts: 12 april / National Aviation University. — Kyiv : NAU, 2003. — С. 81-82.