G. Cuperus
Cuperus, G., and V.A. Krischik. 1992. “Why Stored Product Integrated Pest Management Is Needed”. In V. A. Krischik, G. Cuperus, D. Galliart, and M. Stone-Cooper (eds.). Management of Grain, Bulk Commodities, and Bagged Products, 181-82. Oklahoma State University.
Krischik, V.A., D. Galliart, and G. Cuperus. 1992. “Preface”. In V. A. Krischik, G. Cuperus, D. Galliart, and M. Stone-Cooper (eds.). Management of Grain, Bulk Commodities, and Bagged Products, 3. Oklahoma State University.
Cuperus, G., and V.A. Krischik. 1992. “Who Is Responsible for Grain Quality?”. In V. A. Krischik, G. Cuperus, D. Galliart, and M. Stone-Cooper (eds.). Management of Grain, Bulk Commodities, and Bagged Products, 5-6. Oklahoma State University.