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Detection of 4He in stratospheric particles gives evidence of extraterrestrial origin
RAJAN, R. S., BROWNLEE, D. E., TOMANDL, D., HODGE, P. W., FARRAR, HARRY, BRITTEN, R. A.Volume:
267
Year:
1977
Pages:
2
DOI:
10.1038/267133a0
File:
PDF, 476 KB
1977