1. Barret, S. C. H., Shore, J. S., 1989: Isozyme variation in colonizing plants. ? InSoltis, D. E., Soltis, P. S., (Eds): Isozymes in plant biology, pp. 106?126. ? Portland, Oregon: Dioscorides Press.
2. Comas, C. I., Hunziker, J. H., 1992: Variation of aspartate amine transferase isozymes inBulnesia retama (Zygophyllaceae). ? Darwiniana31: 35?42.
3. ?, 1979: Species relationships inBulnesia as shown by seed protein electrophoresis. ? Biochem. Syst. Ecol.7: 303?308.
4. ?, 1984: Estudios electrofor�ticos de prote�nas seminales enBulnesia retama, B. chilensis y su relaci�n con otras especies del g�nero. ? Darwiniana25: 227?234.
5. Hartl, D. L., 1980: Principles of population genetics, 1st edn. ? Sunderland, Mass.: Sinauer.