1. Protoplast Isolation, Culture and Somatic Hybridization;Bajaj,1977
2. Wachstum und Differenzierung in aus isolierten Protoplast en von Petunia hybrida entstandenem Kallus;Donn;Z. Pflanzenphysiol.,1973
3. Isolation, Culture and Regeneration into Plants of Ranuneulus seeleralus Leaf Protoplasts;Dorian;Plant Sci. Letters,1975
4. Plantes issues de Protoplastes de Petunia;Durand;Z. Pflanzenphysiol.,1973
5. Plating Efficiency of Protoplasts of Tobacco in Different Ligth Conditions;Enzmann-Becker;Z. Naturforsch.,1973