Yu. F. Stoyan
- Installation of cast-in-place piles by pneumatic punchers. In: Soil Mechanics and Foundation Engineering, v. 32, n. 1 (Januar 1995). (1995):
- Foundation strengthening by piles constructed by means of pneumatic punches. In: Soil Mechanics and Foundation Engineering, v. 30, n. 4 (Juli 1993). (1993):