共 50 条
- [5] Materials prices. Fabricated steel prices press upward ENR (Engineering News-Record), 1995, 235 (09):
- [6] Materials prices. Bituminous paving prices roll back ENR (Engineering News-Record), 1995, 234 (13):
- [7] Materials prices. Another huge spring increase for cement prices 1600, McGraw-Hill Inc, New York, NY, USA (235):
- [10] Materials prices. Ductile iron pipe prices make strong comeback ENR (Engineering News-Record), 1994, 233 (06):