- Zethner, O., J. H. Choudhury, and S. R. D. Gupta. 1972. Preliminary studies on forest insects in East Bengal. FAO Report FO:UNDP/66/530. iii + 40 p.
- Zethner, O., S. R. D. Gupta, and J. H. Choudhury. 1972. Investigations on wood boring beetles attacking felled logs in Chittagong and the Chittagong Hill tracts during 1969-1970 . Bano Biggyan Patrika 4:32-45.
- Trehan, I. R., G. L. Kad, and S. Gupta. 1986. A new synthesis of racemic frontalin, the pheromone of Dendroctonus bark beetles . Indian Journal of Chemistry 25B:1243-1244.
- Rajput, S., V. Gupta, and R. Lohani. 1990. A study on the influence on pin holes on strength of Pinus roxburghii . Journal of the Timber Development Association of India 36:37-42.