000 00284nam a2200109Ia 4500
008 200806s9999 xx 000 0 und d
082 _a624.1834
_bGUI
245 0 _aGUIDES to good practice
260 _aSlough
_bCement and concrete association
_c1978
300 _a19 p.
942 _cPRP
999 _c146739
_d146738