1. Rao AN (1963) Organogenesis in callus cultures of orchid seeds. In: Maheshwari P, Rangaswami NS (eds) A Symposium. International Society of Plant Morphologists., University of Delhi, Delhi, India pp 332–344
2. Rao AN (1977) Tissue culture in the orchid industry. In: Reinert J, Bajaj YPS (eds) Applied and fundamental aspects of plant cell, tissue, and organ culture. Springer, Berlin, Heidelberg, pp 44–69
3. Arditti J, Ernst R (1993) Micropropagation of orchids. Wiley, New York 649 pp
4. Haiyan NA, Kondo K (1995) Conservation of gene resources in epiphytic Vanda pumola (Orchidaceae) by tissue culture shoot primordia. Plant Tissue Cult Lett 12:273–279
5. Gamborg OL, Miller RA, Ojima K (1968) Nutrient requirements of suspension cultures of soybean root cells. Exp Cell Res 50:151–158