Varma, C. V. J. Proceedings of Tunnelling Asia 1997 C. V. J. Varma - New Delhi Central Board of Irrigation and Power 1997 - xii, 836p. ISBN: 9788120411418 Subjects--Topical Terms: Tunneling -- India -- CongressesTunneling -- Congresses Dewey Class. No.: 624.193 VAR