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<ref name=":2">{{Cite journal|last=Tummala|first=Akshay|last2=Dutta|first2=Atri|last3=Tummala|first3=Akshay Reddy|last4=Dutta|first4=Atri|date=9 December 2017|title=An Overview of Cube-Satellite Propulsion Technologies and Trends|url=https://www.mdpi.com/2226-4310/4/4/58|journal=Aerospace|language=en|volume=4|issue=4|pages=58|doi=10.3390/aerospace4040058|via=}}</ref> The photo is from an article which is posted on https://www.mdpi.com/2226-4310/4/4/58 where it is distributed under the Creat...
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