000 00321nam a2200121Ia 4500
008 220201s1969 xx 000 0 eng d
082 _a621.3
100 _aBlit, J & others
245 0 _aElectricity & magnetic & visual methods of testing material
260 _bLondon:Butherworths
_c1969
300 _a202
942 _2ddc
999 _c76685
_d76685