000			00433pam a2200145a 44500
082			_aNASA _bCR-1269
100			_aDerby,Thomas F
245	1		_aLOSS FACTOR AND RESONANT FREQUENCY OF VISCOELASTIC SHEAR-DAMPED STRUCTURAL COMPOSITES
260			_a _bNasa, Washington, D.C. _c1968
300			_a215
500			_aBound With Nasa Cr-1261-1270, Lack No. 1264,68
700			_aRuzicka,Jerome E
964			_gCIRC
997			_aTR13188 C
999			_c398808 _d398808