000			00316nam a22001337a 4500
008			210308b ||||| |||| 00| 0 eng d
041			_aeng
080			_21st _a721
082			_21st _a721
100			_a41
101			_aNDE
245			_aConstruction (Principles,Materials & Methods) _cSchmidt,L.J
942			_2udc _cBK
999			_c55966 _d55966