000 00261nam a2200097Ia 4500
008 160710s1988 xx 000 0 und d
245 _aSECOND INTERNATIONAL COLLOQUIUN ON CONCRETE IN DEVLOPING COUNTRIES
260 _bESCI
_c1988
300 _a146
942 _2ddc
_cD
999 _c70235
_d70235