Não informado. (1957). Studia geophysica et geodaetica. Academy of Sciences of the Czech Republic, Geophysical Institute.
Chicago-referens (17:e uppl.)Não informado. Studia Geophysica Et Geodaetica. Praha: Academy of Sciences of the Czech Republic, Geophysical Institute, 1957.
MLA-referens (8:e uppl.)Não informado. Studia Geophysica Et Geodaetica. Academy of Sciences of the Czech Republic, Geophysical Institute, 1957.
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