Technical conditions and norms for the design of hydraulic engineering structures. Calculation of filtration under hydraulic engineering structures. In Russian /Tekhnicheskie usloviya i normy proektirovaniya gidrotekhnicheskikh sooruzheniy. Raschety filtratsii pod gidrotekhnicheskimi sooruzheniyami. M.-L.: Stroyizdat narkomstroy 1941. 151 p. Please contact us for details on condition of available copies of the book. SKUalbcb0340c6e5ed2c2d