000 00254nam a2200097Ia 4500
999 _c4616
_d4616
100 _aGlanville W H
245 _aTesting Concrete by an Ultrasonic Pulse Technique
260 _c1963
_bHER MAJESTY'S STATIONERY OFFICE
_aLondon
300 _avi+48
942 _cREF