000 00472nam a2200193Ia 4500
008 180116s1997 xxu||||| |||| 00| 0 eng d
020 _a92 4 157188 8
082 _aSERIALS
_bWHO
100 _a World Health Organization
245 _aNitrogen Oxides
_b
250 _a2nd
260 _aGeneva
_bW H O
_c1997
300 _a550 p.
_b24 cm.
440 _aIPCS :EHC 188
_v
500 _a
520 _a Nitrogen Oxides
650 _aNitrogen Oxides
906 _a11811
_b
_c
999 _c27256
_d27256