(Q87411431)
Statements
5 July 1941
2 references
22 February 2020
15 August 2000
1 reference
0000-0003-4617-4113.xml
10 January 2016
10 January 2021
1 reference
0000-0003-4617-4113.xml
10 January 2016
10 January 2021
American geologist (1941-2020)