Twentieth century soil salinity research in India : an annotated bibliography, 1901-83 / I. C. Gupta, K. N. Pahwa, J. S. P. Yadav. Gupta, I. C. Pahwa, K. N. Yadav., J. S. P. Soil Bibliography. 19 016.6314 GUT Includes index. New Delhi : Concept, 1983 1983 1983 Text xii, 792p. eng