Lang, R. An Experimental and Analytical Study on Gravity-Driven Free Surface Flows of Cohesionless Granular Media. Darmstadt: Technische Hochschule, 1992 139 p. ill.
Lang, R. An Experimental and Analytical Study on Gravity-Driven Free Surface Flows of Cohesionless Granular Media. Darmstadt: Technische Hochschule, 1992 139 p. ill.
Lang, R. (1992) An Experimental and Analytical Study on Gravity-Driven Free Surface Flows of Cohesionless Granular Media, Darmstadt: Technische Hochschule 139 p. ill.
Lang, R. (1992). An Experimental and Analytical Study on Gravity-Driven Free Surface Flows of Cohesionless Granular Media. Diss.. Darmstadt: Technische Hochschule, 139 p. ill.
Lang R. An Experimental and Analytical Study on Gravity-Driven Free Surface Flows of Cohesionless Granular Media: Diss.. Darmstadt: Technische Hochschule; 1992. p. 139 p. ill.