1. Parasitic and predaceous insects used to control insect pests: exemption from a tolerance;Federal Register,1992
2. Grain Inspection Handbook, Book II, Grain Grading Procedures,1997
3. Official Methods of Analysis of the Association of Official Agricultural (Analytical) Chemists, Washington, DC,1965
4. Biological control;Brower,1996
5. Simulation model of Cephalonomia waterstoni (Hymenoptera: Bethylidae) parasitizing the rusty grain beetle (Coleoptera: Cucujidae);Flinn;Environmental Entomology,1995