Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) GEORGIADIS MICHAEL,Landslide drag forces on pipelines.,SOILS AND FOUNDATIONS,03851621,The Japanese Geotechnical Society,1991,31,1,156-161,https://cir.nii.ac.jp/crid/1390282679588684672,https://doi.org/10.3208/sandf1972.31.156