000 00290nam a2200097Ia 4500
999 _c4649
_d4649
100 _aNational Applied Science No. 30
245 _aUse in Industry of Elasticity Measurements in Metals with the help of Mechanical Vibrations
260 _c1964
_bH.M.S.O
_aLondon
300 _axi+160
942 _cREF