00278nam a2200109Ia 4500008004100000082001100041082000800052245006700060245001600127260001600143300000900159231017s9999 xx 000 0 und d a625.85 bGOP 0aDeveloping a New Method for Measuring Pavement Layer Thickness 0cJ. Gopaldas bJ. Gopaldas c30cm