000 00457pam a2200169a 44500
008 170807b1992 xxu||||| |||| 00| 0 eng d
020 _a063118404X
082 _a363.7392/WHO
100 _aWorld Health Organization
245 _aUrban air pollution in megacities of the world
260 _aOxford
_bBlackwell
_c1992
700 _aGramme
700 _aUnited Nations Environment Pro
906 _a36049
942 _2ddc
_cBK
999 _c35676
_d35676