000 00331nam a2200121Ia 4500
008 220201s1967 xx 000 0 eng d
041 _aENG
100 _aISI
245 0 _aSPECIFICATION FOR SOUND LEVEL METERS FOR GENERAL PURPOSE USE
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1967
300 _a18
942 _2ddc
999 _c44457
_d44457