Romana, M Underground works under special conditions : proceedings of the workshop (W1) on underground works under special conditions, Madrid, Spain, 6-7 July 2007 M. Romana, A. Perucho and C. Olalla - London Taylor & Francis 2007 - ix, 159p. : ill Includes index ISBN: 9780415450287 Subjects--Topical Terms: Underground construction Dewey Class. No.: 624.19 ROM