Published by Springer, the journal normally appears in 6 annual issues.

No journal comparable to it in scope and direction has appeared since.

The journal first appeared in 1990, and it has appeared one or two times a year since then.

From 1949 to 1977, the journal appeared in one volume of three issues per year.

Since then, the journal has appeared on a regular basis.

However, in 1938 the journal appeared to be running its course and the publishers ceased their support.

The journal appeared in a printed edition from 1988 to 1991.

Formerly a quarterly, the journal now appears only once a year.

But when the journal appeared on March 2, the final paper named a different element, yttrium.

The journal appears to release about one issue every year since 2005.