000 00306nam a2200133Ia 4500
008 180612s9999||||xx |||||||||||||| ||und||
041 _aen
082 _a616.07544
100 _aSTEVENS, S.S.
245 0 _aSound and Hearing
260 _aVirginia
_btime life books
_c1980
300 _a200p.
942 _cPR
999 _c39722
_d39722