000 00314cam a22001097a 4500
008 180718b1968 xxu||||| |||| 00| 0 eng d
082 _aX93068x42 Un3
100 _aParkin, P.H.
245 _aLondon noise survey
_cby P.H. Parkin...[et.al]
260 _aLondon
_bHer Majesty's Stationery Office
_c1968
300 _a58+p.
999 _c498803
_d498803