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41
Relationships between implemented transportation control measures and measured pollutant levels
Argitaratua 1997Liburua -
42
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43
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44
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45
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46
Nondestructive testing of unknown subsurface bridge foundations results of NCHRP Project 21-5
Argitaratua 1996Liburua -
47
Protocol for in-service evaluation of bridges with epoxy-coated reinforcing steel
Argitaratua 1996Liburua -
48
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49
Requirements for application of light emitting diodes (LEDs) to traffic control signals
Argitaratua 1995Liburua -
50