000			003040000a22001330004500
245			_aNon destructive testing
100			_aBirchon, D.
260			_aLondon _bO.U.P. _c1975
300			_a20p.
440			_aEngineering design guides ; 09
080			_a620.179.1 _bB5
041			_aEN
942			_cBK
999			_c102312 _d102312