TY - BOOK AU - Irvine,T.N. ED - Symposium on the World Rift System TI - The world rift system: report of a symposium held in Ottawa 4-5 September1965, under the sponsorship of the International Upper Mantle Committee with financial assistance from UNESCO PY - 1966/// CY - Ottawa PB - Queens Printer KW - Geology, structural KW - Congresses KW - Rifts (Geology) N1 - Includes bibliographical references ER -