Physical and mathematical theories of tile and ditch drainage and their usefulness in design
van Schilfgaarde, Jan
Physical and mathematical theories of tile and ditch drainage and their usefulness in design - Ames 1956 - 667-706 p. - Iowa Agricultural Experiment Station. Research Bulletin No. 436 .
Physical, Design
Physical and mathematical theories of tile and ditch drainage and their usefulness in design - Ames 1956 - 667-706 p. - Iowa Agricultural Experiment Station. Research Bulletin No. 436 .
Physical, Design