Professional paper
Geological Survey Dept., Ministry of Industries and Scientific Affairs, Republic of Sri Lanka
compiled and edited by A. Kröner
Geological Survey Dept., Ministry of Industries and Scientific and technology, Republic of Sri Lanka 1991 Professional paper no. 5 . he crystalline crust of Sri Lanka : excursion guide for geological field trip in Sri Lanka, September 1991 ; pt. 1
所蔵館1館
by T. Hatherton and D.B. Pattiaratchi and V.V.C. Ranasinghe ; with an appendix by R.B. Evans
Geological Survey Dept., Ministry of Industries and Scientific Affairs, Republic of Sri Lanka 1975 Professional paper no. 3