000 01159nam a22002897a 4500
999 _c17042
_d17041
005 20210222204159.0
008 210222b Pe ||||| |||| 00| 0 eng d
020 _a92-63-10299-6
040 _ccns
041 _aeng
082 _aOMM(NOR) 299
100 _aOrganización Meteorológica Mundial
245 _aWMO operations manual for sampling and analysis techniques for chemical constituents in air and precipitation
_cWorld Meteorological Organization
260 _aGeneva
_bSecretariat of the World Meteorological Organization
_c1974
300 _axi, 41, 56 Paginas
_bil.
_c29 cm
440 _aWMO
_938874
500 _aEn carpeta de hojas sueltas renovables
505 _aContenido: pt. 1. The minimum programme at regional air-pollution stations -- pt. 2. Guidelines for baseline stations and regional stations with extended programme
546 _aInglés
650 _aCONTAMINANTES ATMOSFERICOS
_916620
650 _aPRECIPITACION
_938878
650 _aDIOXIDO DE CARBONO
_93098
650 _aQUIMICA DE LA ATMOSFERA
_938879
650 _aOBSERVACION
_917037
650 _aMANUALES
_96401
942 _2ddc
_cBK
_kOMM(NOR) 299