Raj Tatiya, Ratan Surface And Underground Excavations: Methods,Techniques And Equipment Raj Tatiya, Ratan - BOCA RATON CRC PRESS, INC. 2013 - 866 Ilustraciones 27 cm ISBN: 9780415621199 LCCN: 109382 Subjects--Topical Terms: Excavation Dewey Class. No.: 624.152