A ten-year decrease in the atmospheric helium isotope ratio possibly caused by human activity
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| Description | scholarly article |
| Author/s |
author: Hiroshi Wakita Yuji Sano |
| Publication date | December 1989 |
| Language | English |
| Country of origin | |
| Wikipedia link | |
| Copyright status | |
| Missing/wrong data? | Edit Wikidata item |