1
by Lehl, Herbert, Buschbeck, Karl-Christian, Gagarin, Rostislaw
Published 1963
Springer Berlin Heidelberg
...Co. Kobalt. Cobalt (System-Nr. 58)...

2
Published 1964
Springer Berlin Heidelberg
...Co. Kobalt. Cobalt (System-Nr. 58)...

3
by Meyer, R. J.
Published 1969
Springer Berlin Heidelberg
...Co. Kobalt. Cobalt (System-Nr. 58)...

4
by Meyer, R. J.
Published 1968
Springer Berlin Heidelberg
...Co. Kobalt. Cobalt (System-Nr. 58)...