000 00447nam a2200157 4500
001 1056
005 20130919085500.0
008 111112s9999 xx 000 0 und d
050 _aNA2800
_b.C85 1949
100 1 _a"cullum, d j w. "
_918642
245 1 0 _aacoustic principles:
_b/
_c d j.w. cullum
250 _a1 ed.
260 _auk :
_be. & f. n. spon
_c1955.
300 _a", 200p.;
_c21 cm."
942 _2lcc
_cBK
_hNA2800.C85 1949
999 _c20644
_d20644