1. The cycling of low levels of selenium in soils, plants and animals;Allaway,1967
2. Protecting ponderosa pine from Mule deer with plastic tubes;Anthony;Tree Plant. Notes,1982
3. Sulfur and selenium analogs of tetraethyl pyrophosphate as insecticides;Arbuzov;U.S.S.R. Pat. 106,053,1957
4. Certain poisonous plants of Wyoming activated by selenium and their association with respect to soil types;Beath;J. Am. Pharm. Assoc.,1934
5. The uptake of applied selenium by agricultural plants;Bisbjerg;Plant Soil,1969