1. Anon., 1979. Proc. symp. Silviculture, Management and Utilization of Poplars. Srinagar.
2. Adarsh Bala, V. K. Anand and K. K. Nanda. 1969. Seasonal changes in the rooting of stem cuttings of Dalbergia sissoo and their relationship with biochemical changes. Ind. Jour. Plant Physiol. 12: 152–163.
3. Bhattacharya, S., N. C. Bhattacharya and K. K. Nanda. 1974, Effect of purine and pyrimidine bases in the differentiation of roots on hypocotyl cuttings of Impatiens balsamina in relation to photosynthates. Int. Symp. Photosynthetic system and productivity, Calcutta.
4. Bhatnagar, H. P. 1973. Effect of hormone application on seasonal variation in rooting response of branch cutting of forest trees. For. & For. Products Conf. Dehra Dun.
5. Bhatnagar, H. P. and D. N. Joshi. 1978. Rooting response of branch cuttings of teak (Tectona qrandis). Ind. Jour. For. 1: 79–93.