1. Somatic hybridization: a rich source of genetic variability;Bajaj,1994
2. Analysis of somatic hybrids and cybrids obtained by fusion of Brassica rapa and B. oleracea;Earle,1994
3. Protoplast-fusion derived cybrids in Solanaceae;Galun,1995
4. Asymmetric somatic hybrids;Hinnisdaels,1994
5. Regeneration of plants from protoplasts of Rosa species;Matthews,1994