 | J. G. Marsh - Artificial satellites in earth sciences - 1987 - 372 pages
GEM-T1 (Goddard Earth Model) a model which has been developed from an analysis of direct satellite tracking observations, is the first in this series of models produced. GEM-T1 ... | |
 | J. G. Marsh - Artificial satellites in earth sciences - 1987 - 372 pages
GEM-T1 (Goddard Earth Model) a model which has been developed from an analysis of direct satellite tracking observations, is the first in this series of models produced. GEM-T1 ... | |
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