1. Test weight of corn as a measure of quality;Hill,1975
2. Grain Grades and Standards: Historical Issues Shaping the Future;Hill,1990
3. Sampling corn and soybeans I. Probing methods;Hurburgh;Trans. Am. Soc. Agric. Eng.,1983
4. Effect of grain velocity and flow rate upon the performance of a diverter-type sampler;Kramer;U.S. Dep. Agric. Agric. Res. Serv. Rep.,1968
5. Performance of three diverter-type mechanical grain samplers and the pelican;Kramer;U.S. Dep. Agric. Agric. Res. Serv. Rep.,1968