| 000 | 00499nam a2200145 a 4500 | ||
|---|---|---|---|
| 005 | 20220228110610.0 | ||
| 035 | _aF8901000707455 | ||
| 084 | _aMIT RR 70-37 1970 | ||
| 100 | _aMadera, Greg. | ||
| 245 | _aFundamental period and amplification of peak acceleration i-n leyered systems / by Greg Madera. | ||
| 260 | _aCambridge, Mass. : g, Department of Civil Engineering | ||
| 300 | _a[89] p. | ||
| 440 | _aResearch report; 70-73 / Massachusetts Institute of Technol-ogy | ||
| 690 | _aSuelos - Pruebas. | ||
| 999 |
_c58060 _d58060 |
||