1. The characterization of slope positions and their influence on the total nitrogen content of a few virgin soils of western Iowa;Aandahl,1948
2. The role of topography in controlling throughflow generation;Anderson,1978
3. Graphical display of means;Andrews;Am. Stat.,1980
4. Pairwise multiple comparisons of treatment means in agronomic research;Carmer;J. Agron. Educ.,1985
5. A hypothetical nine unit landsurface model;Dalrymple;Z. Geomorphol.,1968