Physical And Technical Institute 1

1. Correction to: Study of Paramagnetic Properties of Graphene Structures Obtained from Pure Graphite in Organic Reagents Exposed to Ultrasound (Russian Physics Journal, (2021), 64, 2, (209-215), 10.1007/s11182-021-02318-1)
2. Study of Paramagnetic Properties of Graphene Structures Obtained from Pure Graphite in Organic Reagents Exposed to Ultrasound
3. Some thermoelectric phenomena in copper chalcogenides replaced by lithium and sodium alkaline metals
4. The Composition of Cosmic Rays in the Knee Area
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