Lista de

Doctor en Ciencias Geológicas
193
1931
1
1932
1
1933
1
1936
1
1937
1
1938
5
1942
3
1943
1
1944
1
1946
2
1947
2
1948
7
1949
1
1950
1
1952
2
1953
1
1956
4
1957
3
1958
1
1960
2
1962
1
1963
3
1964
5
1967
2
1968
3
1969
3
1970
4
1971
1
1972
1
1973
2
1974
1
1975
5
1976
2
1977
1
1978
2
1979
3
1981
2
1982
4
1983
3
1984
3
1985
4
1986
4
1987
7
1988
9
1989
10
1990
3
1991
4
1992
3
1993
3
1994
4
1995
7
1996
3
1997
6
1998
3
1999
10
2000
3
2001
7
2002
4
2003
3
2004
4