Hisao Hirao
- Study On Upheaved Ground Generated By Sand Compaction Piles. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1985, n. 364 ( 1985). (1985):
- Study On Characteristics Of Upheaval Part Of Cohesive Ground Caused By Soil Improvement. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1986, n. 376 ( 1986). (1986):