000 00646pam a2200205a 44500
003 OSt
040 _cIIT Kanpur
041 _aeng
100 _aZorumski, William E
245 1 _aNASA Technical Note: NONLINEAR ACOUSTIC THEORY FOR RIGID POROUS MATERIALS
260 _bNASA
_c1971
_aWashington, D.C.
300 _a26p.
440 _aNational Aeronautics and Space Administration
440 _aNASA Technical Note.
500 _a Technical Note D-6190-6199
500 _a Bound Vol. No.101235 contents TR9446-9454
650 _aNonlinear Acoustic Impedance -- Acoustic Materials
700 _aParrott, Tony L
942 _cTR
999 _c392954
_d392954