Environmental geomorphology : a study of Trans-Yamuna region / Alok Dubey. Dubey, Alok, 1959- Geomorphology India Allahbad (District) GB438.I4 D83 1990 551.40954 DUE Study with reference to Allahabad District, Uttar Pradesh. Includes bibliographical references (p. 59-64) New Delhi, India : Inter-India Publications, c1986. c1986. 1990 Text 314 p., [28] p. of plates : eng India Allahbad (District)