1. Chang TT (1964) Present knowledge of rice genetics and cytogenetics. Int Rice Res Inst Tech Bull 1, Los Baños, Philippines
2. Chu QR (1982) Cytogenesis of F1 affinity in a diallel cross among bulu, aus and upland rices (O. sativa L.). UPLB/ IRRI, pp 1–126
3. Chu QR (1983a) Cytogenetics of the relationships among bulu, aus and upland rices (O. sativa L.). 1. Pachytene analysis. Sci Agric Sin 6:45–52
4. Chu QR (1983b) Rice primary trisomics and its breeding values. Shanghai Agric Sci Tech 5:7–9
5. Chu QR (1984) Cytogenetics of the relationships among bulu, aus and upland rices (O. sativa L.). 3. Meiotic chromosome behavior. Acad Crops 4:256–264