Citation: V. Blum et al., THE CLOSED EQUILIBRATED BIOLOGICAL AQUATIC SYSTEM - GENERAL CONCEPT AND ASPECTS OF BOTANICAL-RESEARCH, Planta, 203, 1997, pp. 201-208
Citation: S. Barth et al., PLANTLET REGENERATION FROM ELECTROSTIMULATED PROTOPLASTS OF SUNFLOWER(HELIANTHUS-ANNUUS L), Botanica acta, 106(3), 1993, pp. 220-222