%0 Journal Article %T Contact-slit face seal for impellers in centrifugal-flow machines %A Petrovskii, B. %A Perlin, S. %A Zaitsev, Yu. %J Chemical and Petroleum Engineering %V 8 %N 11 %P 1040-1041 %@ 0009-2355 %D 2013-10-17 %I Springer-Verlag %~ DeepDyve