John F. Steffensen (Q50532656)
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researcher
- John Steffensen
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | John F. Steffensen |
researcher |
|
Statements
1 August 1987
1 reference
0000-0002-4477-8039.xml
30 November 2015
10 November 2023
1 January 1986
1 June 1987
1 reference
0000-0002-4477-8039.xml
15 October 2019
10 November 2023
1 January 1985
31 December 1985
1 reference
0000-0002-4477-8039.xml
18 April 2017
10 November 2023
1 reference
0000-0002-4477-8039.xml
15 October 2019
10 November 2023
Identifiers
1 reference
0000-0002-4477-8039.xml
10 January 2021