1. Frequency, origin and survival of aneuploids in tetraploid ryegrass;Ahloowalia;Genetica,1971
2. Barclay , P. C. Armstrong , J. M. 1966 Certain aspects of chromosome number and seed size in induced tetraploid pasture plants Proceedings X International Grassland Congress 667 671
3. Bosemark , N. O. 1965 On the origin and consequences of aneuploidy in triploid and tetraploid sugar beet C. R. 28e Congr. Inst. Int. Rech. Betteravières
4. Performance of aneuploids in an autotetraploid ryegrass population;Easton;N. Z. J. Agric. Res.,1973
5. Frequency and vitality of aneuploids in a population of tetraploid red clover;Ellerstrom;Hereditas,1966