1. Bhandari MM (1990) Outcrossing in opium poppy (P. somniferum L.). Euphytica 48:167–169. doi:10.1007/BF00037196
2. Cruz CD, Regai AJ (1994) Modelos biometricos applicados ao melhoramento genetic. Universidade Federal de Vicosa, Imprensa Universitara. Vicosa, Minas Gerais, Brazil
3. Derck JP (1968) A comparison of two methods for predicting changes in the distribution of gene frequency when selection is applied repeatedly to a finite population. Biometrics 13:127–141
4. Dudley JW, Moll RH (1969) Interpretation and use of estimates of heritability and genetic variance in plant introduction. Crop Sci 9:257–262
5. Falconer DS (1989) Introduction of quantitative genetics, 3rd edn. Longaman, Essex, pp 275–276