Katsuhiko Ito
- Development of Gravel Drain System as a Countermeasure for Soil Liquefaction. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1991, n. 427 (März 1991). (1991):
- Study On Clogging Criterion For Gravel Drain. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1991, n. 439 (Dezember 1991). (1991):
- Effect Of Soil Densification Applying The Gravel Drain System With A Compaction Rod. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1992, n. 444 (März 1992). (1992):
- Development Of Gravel Drain System As A Countermeasure For Soil Liquefaction. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1995, n. 522 (September 1995). (1995):