PERKO,H.A.
HELICAL PILES: PRACTICAL GUIDE TO DESIGN AND INSTALLATION - New Jersey Wiley 2009 - xvi+512p.,24x19Cms.
0470404799
624.154 P451
HELICAL PILES: PRACTICAL GUIDE TO DESIGN AND INSTALLATION - New Jersey Wiley 2009 - xvi+512p.,24x19Cms.
0470404799
624.154 P451