TY  - GEN
AU  - Boulton, W.J.
TI  - Determination and analysis of the orbit of Nimbus-1 Rocket, 1964-52 B:the semiannual variation in air density from June 1968 to August 1974
KW  - ESTRUTURA DA ATMOSFERA
KW  - INSTRUMENTOS METEOROLOGICOS
KW  - 551.510.536
KW  - med
KW  - fre
KW  - 551.510.3
ER  -