1. Zeleny L (1947) Cereal Chem 24:465
2. Pinckney AJ, Greenaway WT, Zeleny L (1957) Cereal Chem 34:16
3. Pelshenke P (1933) Cereal Chem 10:90
4. Rohrlich M, Bruckner G (1957) Das Getreide:32
5. Axford OWE, McDermott EE, Redman DG (1978) Milling Feed Fertiliser 161:18