000 00301pam a2200109a 44500
082 _aTR
_bRI-9298
100 _aJ. Alton Burks
245 1 _aEffect of selected physical agents on the performance of acoustically absorptive materials
260 _a
_b
_c
700 _aE. R. Spencer
997 _aTR6671 C
999 _c405832
_d405832