Geography and environment : issues and challenges / editors, H. H. Singh ... [et al.]. Singh, H. H. Human ecology India. Environmental protection India. Environmental geography India. 304.2 FEG Prof. S. L. Kayastha felicitation volume. New Delhi : Cocept Publishing, c1985. c1985. 1985 Text xvi, 384 p., [1] leaf of plates : eng India. India. India.