† See, for example, DrOza's, G.M. ‘Save Silent Valley as a World Heritage Site?’ (Environmental Conservation, 8(1), p. 52, 1981)CrossRefGoogle Scholar, The Sierra Club's International Earthcare Center's ‘Silent Valley to be Saved?’ (Ibid. 9(1), p. 56, 1982), Professor P.S. Ramakrishnan's ‘The Need to Conserve Silent Valley and Tropical Rain-forests in India’ (Ibid. 11(2), pp. 170–1, 2 figs, 1984), and Professor J.S. Singh, Dr S.P. Singh, Dr A.K. Saxena & Dr Y.S. Rawat's ‘India's Silent Valley and Its Threatened Rain-forest Ecosystems’ (Ibid. 11(3), pp. 223–33, 12 figs and 4 tables, 1984).—Ed.