International Association for Hydraulic Research,Congress of the IAHR.Congress of hte IAHR (17th : 1977 : Baden-Baden, F. R. G.)．V.6：Hydraulic engineering for improved water management.[s. n.],n. d..
International Association for Hydraulic Research,Congress of the IAHR.Congress of the IAHR (17th : 1977 : Baden-Baden, F. R. G.)．V.5：Hydraulic engineering for improved water management.[s. n.],n. d..
Machine Tool Industry Research Association,One-day seminar on hydraulic equipment for machine tools.One-day seminar on hydraulic equipment for machine tools (1979 : Macclesfield).[s. n.],1979.
