000 003190000a22001450004500
001 10437
090 _a10437
100 _a20190416 frey50
102 1 _aUS
200 _aIBM journal of research and development
207 1 _a1968
207 _a9999
210 1 _aNew York
300 _aNº de entrada 6347
326 _a
_aD