Results 311 to 312 of about 186,527 (312)
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Helium
1990
openaire
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(10.1007/978-1-4613-0673-3_30)
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+1 more source
Helium
2015
openaire
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(10.1007/978-3-319-15123-6)
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7. clean energy
helium-rich gas reservoir
13. climate action
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