| 000 | 00466nam a2200133 a 4500 | ||
|---|---|---|---|
| 005 | 20220228110625.0 | ||
| 035 | _aF8901000709107 | ||
| 084 | _aPCA AEB 21 1968 | ||
| 245 | _aFloor systems supported by central core and exterior column-s / Portland Cement Association. | ||
| 260 | _aSkokie, Illinois : Portland Cement Association | ||
| 300 | _a28 p. | ||
| 440 | _aAdvanced Engineering Bulletin; 21 / Portland Cement Associa-tion | ||
| 690 | _aSoportes (pisos) - Pruebas. | ||
| 999 |
_c59019 _d59019 |
||