NF P98-241-1:1993 Test relating to pavements. Determination of the apparent specific gravity of the materials in situ. Part 1 : measurement of the mean value using a gammadensimeter in one point with direct transmission.
1993NF P98-241-1:1993 Test relating to pavements. Determination of the apparent specific gravity of the materials in situ. Part 1 : measurement of the mean value using a gammadensimeter in one point with direct transmission.