00653cam a2200229Ki 45000010006000000050017000060080041000230350023000640400013000870350020001000410013001200500023001330820011001561000022001672450045001892600036002343000011002704900056002815000040003376500013003776500033003904426420230410120947.0940107s1973    sp            000 0 spa d  a(OCoLC)ocm29593257  aPBRcPBR  a(OCoLC)295932571 aspahita14aJC 585bC417t 197300a323.441 aCerroni, Umberto.10aTécnica y libertad /cUmberto Cerroni.  aBarcelona :bFontanella,c1973.  a137 p.0 aLibros de confrontación : Serie fiflosófica,v3  aTranslation of Tecnica e libertá. 0aLiberty. 0aTechnology and civilization.