000 00456nam a2200157Ia 4500
008 250114s9999 xx 000 0 und d
040 _aJamia Hamdard
041 _aEnglish
082 _a363.739
_bA27A
245 0 _aAir Pollution
_bK. Barker ..[et.al].
260 _aGeneva
_bWorld Health Organization
_c1961
300 _a442p., photos plates 23cm
440 _a(Monographs series of world health organization).
700 _aBarker, K.
942 _cBK
999 _c100483
_d100483