@article{oai:saga-u.repo.nii.ac.jp:00014643, author = {Valliappan, S. and Hakam, A. and Tandjiria, V.}, issue = {1}, journal = {Lowland technology international : the official journal of the International Association of Lowland Technology (IALT) / Institute of Lowland Technology, Saga University}, month = {Jun}, note = {application/pdf, Article}, pages = {67--76}, title = {OPTIMAL DESIGN OF GEOTECHNICAL STRUCTURES FOR LOWLAND AREAS}, volume = {1}, year = {1999} }