000 00239nam a2200109Ia 4500
008 220201s1965 xx 000 0 eng d
082 _a389.6
_bHUM-P
100 _aHUME K J
245 0 _aPRACTICAL METROLOGY
260 _c1965
942 _2ddc
999 _c30501
_d30501