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Analysis of musical‐instrument tones
FEB 01, 1969
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Space, time and elementary interactions in relativity
FEB 01, 1969
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Article
Atoms
FEB 01, 1969
Features
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Article
Positron beams
FEB 01, 1969
Features
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Article
Quasistellar objects and seyfert galaxies
JAN 01, 1969
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AAPT–APS meeting returns to New York
JAN 01, 1969
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Nonlinear optics
JAN 01, 1969
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Form factors of elementary particles
JAN 01, 1969
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The science in children’s books
DEC 01, 1968
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The Central Bureau for Astronomical Telegrams
DEC 01, 1968
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A tetrahedron model for research
DEC 01, 1968
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We need more intense thermal‐neutron beams
DEC 01, 1968
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