Journal of geodesy. 1972;103(1):3-3. doi: 10.1007/bf02522110 Q14.02025
Professor Weiko aleksanteri Heiskanen died in Helsinki on 23rd October, 1971 after a long illness
DOI: 10.1007/bf02522110
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Journal of geodesy. 1972;103(1):3-3. doi: 10.1007/bf02522110 Q14.02025
DOI: 10.1007/bf02522110
摘要 查看摘要