1. Arcioni S, Davey MR, dos Santos AVP, Cocking EC: Somatic embryogenesis in tissues from mesophyll and cell suspension protoplasts of Medicago coerulea and M. glutinosa. Z PflPhysiol 106: 105?110 (1982).
2. Armstrong CL, Romero-Severson J, Hodges TK: Improved tissue culture response of an elite maize inbred through backcross breeding, and identification of chromosomal regions important for regeneration by RFLP analysis. Theor Appl Genet 84: 755?762 (1991).
3. Atanassov A, Brown DCW: Plant regeneration from suspension culture and mesophyll protoplasts of Medicago sativa L Plant Cell Tissue Organ Cult 3: 149?162 (1984).
4. Bentolila S, Hardy T, Guitton C, Freyssinet: Comparative genetic analysis of F2 plants and anther culture derived plants of maize. Genome 4: 575?582 (1992).
5. Bhojwani SS, Razdan MK: Developments in crop science (5)-plant tissue culture: theory and practice. Elsevier Science Publishers, Amsterdam (1983).