por Liljestrand, Walter [autor] | Liljestrand, Walter [autor] | Bingham, Grant [editor] | Iadc Centrifugal Pump Conference (1975 : Houston, Texas).
por Liljestrand, Walter [autor] | Lawson, Gordon [autor] | Adkins, C. Buster [editor] | Iadc Degasser Conference (1976 : Houston, Texas).