%0 Journal Article %T Ultrasonic unit for restoring oil wells %A Mullakaev, M. %A Abramov, V. %A Pechkov, A. %J Chemical and Petroleum Engineering %V 45 %N 4 %P 133-137 %@ 0009-2355 %D 2009-06-19 %I Springer US %~ DeepDyve