000 00501nam a22001577a 4500
008 230302b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _a614.71(1-21)
_bM4
245 _aUrban air pollution 1973-1980
_b/ World Health Organization
260 _aGeneva:
_bWorld Health Organization,
_c1984
300 _a96p.
490 _aGlobal environment monitoring systems
650 _aPollution
653 _aEnvironment
942 _2udc
_cREF
999 _c55679
_d55679