000 00346nam a2200157Ia 4500
008 190201s9999 xx 000 0 und d
020 _a198581513
082 _a609
082 _bW641H
100 _aWilliam Trevor I
245 2 _aA History Of Technology
260 _aLondon
260 _bCharendon Press
260 _c1978
300 _a1530
999 _c24042
_d24042