1. AT ICRISAT: 1 (12 1984).
2. CIAT INT 3 1: 1 (1984).
3. International Maize and Wheat Improvement Center Annual Report 1984 1985
4. Crop yields and climate change to the year 2000 1980
5. Foreign Agriculture Circular 1985 FAS FG-7-85 World grain situation and outlook