1. Bhojwani SS & Razdan MK (1983) Plant Tissue Culture: Theory and Practice. Elsevier, New York, pp 113?147
2. Biddington NL & Robinson HT (1991) Ethylene production during anther culture of Brussels sprouts (Brassica oleracea var.gemmifera) and its relationship with factors that affect embryo production. Plant Cell Tiss. Org. Cult. 25: 169?177
3. Bjørnstad A, Opsal-Ferstad HG & Aasmo M (1989) Effects of donor plant environment and light during incubation of anthers of some spring wheat (Triticum aestivum L.) cultivars. Plant Cell Tiss. Org. Cult. 17: 27?37
4. Chase SS (1963) Analytic breeding inSolanum tuberosum L. ? a scheme utilizing parthenotes and other diploid stocks. Can. J. Genet. Cytol. 5: 359?363
5. Doctrinal D, Sangwan RS & Sanwan-Norreel BS (1989) In vitro gynogenesis inBeta vulgaris L.: effects of plant growth regulators, temperature, genotype, and season. Plant Cell Tiss. Org. Cult. 17: 1?12