Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
SAJONA F. G.,"Behavior of Niobium, Tantalum and other high field strength elements in adakites and related lavas from The Philippines",Island Arc,,,2000,9,,472-486,https://cir.nii.ac.jp/crid/1570572701030660480,