Helical piles : a practical guide to design and installation /
Perko, Howard A.
Helical piles : a practical guide to design and installation / Howard A. Perko - Hoboken, NJ : John Wiley, 2009 - xvi, 512 p. : ill. ; 25 cm.
9780470404799 0470404795
Steel piling
TA786 / .P47 2009
Helical piles : a practical guide to design and installation / Howard A. Perko - Hoboken, NJ : John Wiley, 2009 - xvi, 512 p. : ill. ; 25 cm.
9780470404799 0470404795
Steel piling
TA786 / .P47 2009