UNE 22950-3:1990 MECHANICAL PROPERTIES OF ROCKS. STRENGTH DETERMINATION TESTS. PART 3: MODULES OF ELASTICITY (YOUNG) AND POISSON'S RATIO DETERMINATION.
1990UNE 22950-3:1990 MECHANICAL PROPERTIES OF ROCKS. STRENGTH DETERMINATION TESTS. PART 3: MODULES OF ELASTICITY (YOUNG) AND POISSON'S RATIO DETERMINATION.