| 000 | 00661nam a2200157 a 4500 | ||
|---|---|---|---|
| 005 | 20220228110621.0 | ||
| 035 | _aF8901000708732 | ||
| 084 | _aPCA BUL D2 1954 | ||
| 100 | _aJanney, Jack R. | ||
| 245 | _aNature of bond in pre-tesioned presstressed concrete / by J-ack R. Janney. | ||
| 260 | _aSkokie, Illinois : ies, Development Department | ||
| 300 | _a[20] p. | ||
| 440 | _aBulletin D2 / Portland Cement Association, Research and De-velopment Laboratories, Development Department | ||
| 500 | _a"Authorized reprint from copyrighted Journal of the America-n Concrete Institute May 1954, Proceedings Vol. 50, p. 717" | ||
| 690 | _aVigas de concreteo - Pruebas. | ||
| 999 |
_c58770 _d58770 |
||