Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SINGER B. Sh.,Thin sheet modelling of subsurface and deep inhomogeneities,lzu. AN SSSR. Fizika Zemli,,,1992,10,,93-108,https://cir.nii.ac.jp/crid/1574231873877902080,