000			00300nam a22001337a 4500
008			181005b xxu||||| |||| 00| 0 eng d
020			_a0521292948
041			_aeng
080			_a941
100			_a18
101			_aHIS
245			_aPhysical Science in the Middle Ages _cGrant, E
942			_2udc _cBK
999			_c48896 _d48896