000 00409nam a2200145Ia 4500
082 _a693.5
_bJON
100 _aJones, Robert S.
245 _aTesting concrete by an Ultrasonic Pulse Technique.
260 _aLondon
_bHMSO Her Majesty's Stationary Office
_c1963
300 _a48p.
440 _aCRRI road research paper
_vNo.34
700 _aGateield, E. N.
890 _aUnited Kingdom
999 _c33888
_d33888
650 _aConcrete--Testing
650 _aUltrasonic testing