000 00266nam a22001097a 4500
082 _a621.382 BLA'N
100 _aBLACHMAN, NALSON M
_977125
245 _aNOISE AND ITS EFFECT ON COMMUNICATION
260 _aNEWYORK
_bMCGRAW HILL
_c1966
300 _a212P
942 _cBK
999 _c582453
_d582453