NF P98-818-7:2003 Bituminous mixtures - Test methods for hot mix asphalt - Part 7 : determination of bulk density of bituminous specimens by gamma rays.
2003NF P98-818-7:2003 Bituminous mixtures - Test methods for hot mix asphalt - Part 7 : determination of bulk density of bituminous specimens by gamma rays.
1993NF P98-250-5:1993 TESTS RELATING TO PAVEMENTS. PREPARATION OF BITUMINOUS MIXTURES. PART 5 : MEASUREMENT OF THE DENSITY IN THE LABORATORY USING A GAMMA DENSIMETER.