TY  - GEN
AU  - Gaffen, Dian J.
TI  - Historical changes in radiosonde instruments and practices
T2  - Instruments and Observing Methods Report
VL  - 50
PY  - 1993///
CY  - Geneva
PB  - WMO
KW  - INSTRUMENTOS E MÉTODOS DE OBSERVAÇÃO METEOROL GICOS
KW  - IM
KW  - 551.5
KW  - med
KW  - fre
ER  -