000 | 00457nam a2200145Ia 4500 | ||
---|---|---|---|
008 | 180710s9999 xx 000 0 und d | ||
020 | _a255975 | ||
082 |
_a609.73 _bTHO |
||
100 | _aThomson, Ross | ||
245 | _aStructures of change in the mechanical age: technological innovation in the Unit | ||
260 |
_aBalmore _bJohn hopkins uniiversity press _c2009 |
||
300 | _axiv,432p. | ||
650 | _aTechnological innovations -unied states -history | ||
942 | _cS | ||
999 |
_c80141 _d80141 |