Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Jyh-Woei Lin,"Ionospheric Precursor before a 547 km deep Indonesia Nebe Earthquake on 27 February 2015, Mw=7.0 using Two-Dimensional Principal Component Analysis (2DPCA)",Asian journal of natural and applied sciences,21868468,Oyama : Leena and Luna International,2015-12,4,4,1-10,https://cir.nii.ac.jp/crid/1521417755541568128,