000 00418nam a2200145Ia 4500
008 180710s9999 xx 000 0 und d
020 _a246769
082 _a609.73
_bHUG
100 _aHughes, Thomas P.
245 _aAmerican genesis: a century of invention and technological enthusiamsm 1870-1970
260 _aHarmondsworth
_bPenguin Books
_c1989
300 _axii, 527 p.
650 _aTechnology-USA
942 _cS
999 _c55613
_d55613