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008 ||||||n9999 ||| || ||
041 _aeng
082 _219
_a301153
100 _aWalker, Charles
_920677
245 0 _aModern technology and civilization
_ban introduction to human problems in the machine age
260 _aEstados Unidos :
_bMcGraw-Hill Book Company,
_c1962.
300 _a469p
562 _e1
650 0 _aCivilización
_91828
650 0 _aTecnología
_92367
942 _cBKM
999 _c12424
_d12424
526 _a102618
526 _a15794
526 _a102619
526 _a102620
526 _a10406
526 _a4969
526 _a19790
526 _a104436
526 _a3899
526 _a9683
526 _a1703