Workshop (W1) on Underground Works Under Special Conditions Underground works under special conditions : proceedings of the workshop (W1) on / (ed. by) Manuel Romana, ணurea Perucho and Claudio Olalla - London Taylor & Francis 2007 - ix, 159 p. Includes references and index. ISBN: 9780415450287 Subjects--Topical Terms: Underground construction Dewey Class. No.: 624.15132 / WOR