Yoshida, M.Shiahata, H.Nohda, S.Funaki, M.2016-07-052016-07-051987UNESCO/IUGS International Geological Correlation Programme Project 236 Precambrian Events in the Gondwana Fragments:p.41https://dl-ifs.nsf.gov.lk/handle/1/1681Re-unite proterozoic Gondwanaland at Sri Lanka and AntarcticaA