1. Bowman, J. G.: A method of synchronizing somatic cell division for chromosome examination in cereals and forage grasses. -Cereal Res. Comm.5: 9–13, 1977.
2. Clarke, J.: The use of 5-aminouracil for synchronizing nuclear division as a pretreatment for the production of polyploids inLolium. - Z. Pflanzenzücht.62: 305–310, 1969.
3. Clowes, F. A. L.: Synchronization in a meristem by 5-aminouracil. - J. exp. Bot.16: 581 to 586, 1965.
4. Diez, J. L., González-Fernandez, A., López-Sáez, J. F.: Mechanism of mitotic synchronization induced by 5-aminouracil. - Exp. Cell Bes.98: 79–89, 1976.
5. Eriksson, R. L.: Partial synchronization of cell division in suspension cultures ofHaplopappus gracilis. - Physiol. Plant.19: 900–910, 1966.