| 000 | 00513nam a2200145 a 4500 | ||
|---|---|---|---|
| 005 | 20220228110624.0 | ||
| 035 | _aF8901000709042 | ||
| 084 | _aPCA RD 005 01D 1970 | ||
| 100 | _aHanson, John M. | ||
| 245 | _aInfluence of embedded service ducts on strength of flat-pla-te structures / by John M. Hanson. | ||
| 260 | _aSkokie, Illinois : Portland Cement Association | ||
| 300 | _a16 p. | ||
| 440 | _aResearch and Development Bulletin; RD 005.01D / Portland Ce-ment Association | ||
| 690 | _aLosa, columna - Pruebas. | ||
| 999 |
_c58966 _d58966 |
||