Van den Broek, J., Marel, H. The alluvial soils of the rivers Meuse, Roer and Geul in the province of Limburg. Wageningen: Pudoc, 1964 83 p. : ill., 2 ill.
Van den Broek, J., Marel, H. The alluvial soils of the rivers Meuse, Roer and Geul in the province of Limburg. Wageningen: Pudoc, 1964 83 p. : ill., 2 ill.
Van den Broek, J., Marel, H. (1964) The alluvial soils of the rivers Meuse, Roer and Geul in the province of Limburg, Wageningen: Pudoc 83 p. : ill., 2 ill.
Van den Broek, J., & Marel, H. (1964). The alluvial soils of the rivers Meuse, Roer and Geul in the province of Limburg. Wageningen: Pudoc, 83 p. : ill., 2 ill.
Van den Broek J, Marel H. The alluvial soils of the rivers Meuse, Roer and Geul in the province of Limburg. Wageningen: Pudoc; 1964. p. 83 p. : ill., 2 ill.