2
by Hager, Hermann
Published 1920
Springer Berlin Heidelberg
Subjects: ...Spectroscopy...

6
by Hager, Hermann
Published 1899
Springer Berlin Heidelberg
Subjects: ...Spectroscopy...

7
by Hager, Hermann, Tobler, Friedrich
Published 1925
Springer Berlin Heidelberg
Subjects: ...Spectroscopy...

8
by Hager, Hermann
Published 1904
Springer Berlin Heidelberg
Subjects: ...Spectroscopy...

10
by Hager, Hermann
Published 1912
Springer Berlin Heidelberg
Subjects: ...Spectroscopy...