"(Special technical publication, (STP) 984)"--T.p. verso. - "ASTM Publication Code Number (PCN): 04-984000-38"-- t.p. verso. - "The Symposium on Rock Classification Systems for Engineering Purposes was held in Cincinnati, Ohio, on 25 June 1987. ASTM Committee D-18 on Soil and Rock served as sponsor of the event."-- Foreword. - Includes bibliographical references and indexes. - Electronic reproduction; W. Conshohocken, Pa; ASTM International; 2011; Mode of access: World Wide Web; System requirements: Web browser; Access may be restricted to users at subscribing institutions. |