000 00288cam a22001097a 4500
008 180718b1972 xxu||||| |||| 00| 0 eng d
020 _a11 750517 x
082 _aX9 x42 Un3 P c.2
245 _aPollution : Nuisance or Nemesis?
_cBy HMSO
260 _aLondon
_bHMSO
_c1972
300 _axi, 88p.
999 _c413855
_d413855