1. Anonymous (1988) The wealth of India: raw materials, vol 2. Council of Scientific and Industrial Research, New Delhi
2. Augereau JM, Courtois D, Petiard V (1986) Long term storage of callus cultures at low temperatures or under mineral oil overlayer. Plant Cell Rep 5:372–376
3. Caplin SM (1959) Mineral oil for conservation of plant tissue cultures. Am J Bot 46:324–329
4. Ceasar AS, Maxwell SL, Prasad KB, Karthigan M, Ignacimuthu S (2010) Highly efficient shoot regeneration of Bacopa monnieri (L.) using a two stage culture procedure and assessment of genetic integrity of micropropagated plants by RAPD. Acta Physiol Plant 32:442–452
5. Chandel KPS, Shukla G, Sharma N (1996) Biodiversity in medicinal and aromatic plants in India. National Bureau of Plant Genetic Resources, New Delhi