| 000 | 00729nam a2200157 a 4500 | ||
|---|---|---|---|
| 005 | 20220228110617.0 | ||
| 035 | _aF8901000708382 | ||
| 084 | _aPCA BUL 7 1945 | ||
| 100 | _aPickett, Gerald. | ||
| 245 | _aEquations for computing elastic constants from flexural and- torsional resonant frequencies of vibration of prisms and -cylinders / by Gerald Pickett. | ||
| 260 | _aChicago : Portland Cement Association, Research Laboratory | ||
| 300 | _a[22] p. | ||
| 440 | _aBulletin 7 / Portland Cement Association | ||
| 500 | _a"Authorized reprint fromt the copyrighted Proceedings of th-e American Society of Testing Materials, Philadelphia, Pa. - Volume 45, 1945". | ||
| 690 | _aVigas de concreto - Pruebas.Losas de concreto - Pruebas | ||
| 999 |
_c58530 _d58530 |
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