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Letters
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Article
Truncated references
SEP 01, 1980
Letters
/
Article
Silencing dissidence in the US
SEP 01, 1980
Letters
/
Article
More on amateurs
SEP 01, 1980
Letters
/
Article
Corrections
SEP 01, 1980
Letters
/
Article
Stretching longevity
SEP 01, 1980
Letters
/
Article
Brezhnev’s title
SEP 01, 1980
Letters
/
Article
Subtle review
SEP 01, 1980
Letters
/
Article
Sagan versus Velikovsky
SEP 01, 1980
Letters
/
Article
Observers observing observables
SEP 01, 1980
Letters
/
Article
Detectives of art forgery
SEP 01, 1980
Letters
/
Article
More on Esperanto
SEP 01, 1980
Letters
/
Article
Satellite power system
SEP 01, 1980
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