1. K. Muthuchelian, Bioproductivity studies of some leguminous and non-leguminous plants in semi-arid ecosystem, Ph.D. thesis, Madurai Kamaraj University, Madurai, India, 1987.
2. Influence of shading on net photosynthetic and transpiration rates, stomatal diffusive resistance, nitrate reductase and biomass productivity of a woody legume tree species (Erythrina variegata Lam.);Muthuchelian;Proc. Ind. Acad. Sci. Plant Sci.,1989
3. On the possible control of ultraviolet-B induced response in growth and photosynthetic activities in higher plants;Kulandaivelu;Physiol. Plant,1989
4. A.R. Wellburn, Air Pollution and Acid Rain: The Biological Impact, Longman Scientific & Technical Ltd., 1988, pp. 100–129.
5. H. Ziegler, Biochemische Verandrungen bei geschadigten baumen Zuzammenfassen de bewertung der seminarerge-brisse. 6. Status Seminar Wirkungen Von Luftverun reinigungen auf waldbaume und walboden, Kernforschungsanlage Julich (1986) 334–339.