000 00321nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a624.2 W827
100 _aWITTFOHT,H
245 0 _aBUILDING BRIDGES, HISTORY TECHNOLOGY CONSTRUCTION
260 _aDUSSELDORF
_bBETON VERLAG
_c1984
300 _a30X24
942 _cBK
_2DDC
999 _c21424
_d21424