134

Prospects for rare earth doped GaN lasers on Si

Year:
2007
Language:
english
File:
PDF, 889 KB
english, 2007
147

Calcium as an Acceptor Impurity in BaTiO3

Year:
1987
Language:
english
File:
PDF, 506 KB
english, 1987
150

The centre of the Milky Way

Year:
1993
File:
PDF, 1.11 MB
1993