000 00402nam a2200145Ia 4500
008 230711s9999||||xx |||||||||||||| ||und||
041 _aENG
082 _a624
_bKA-M
100 _aKatz,M
245 0 _aMeasurement of air pollutants : Guide to the selection of methodsĀ 
250 _a1st Ed.
260 _c1969
_aNew Delhi
_bWorld Health Organisation Geneva
650 _aCivil Engineering
942 _cBK
999 _c2099
_d2099