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- [3] Materials prices: fabricated steel prices jump again ENR (Engineering News-Record), 1994, 233 (08):
- [7] Materials prices. Bituminous paving prices roll back ENR (Engineering News-Record), 1995, 234 (13):
- [10] Materials prices. Structural steel, rebar, building sheet, piling ENR (Engineering News-Record), 1994, 232 (17):