The Science of NatureDecember 1990, Volume 77, Issue 12, pp 597–598 | Cite asBuchbesprechungenAuthorsAuthors and affiliationsL. JaenickeH. PfanzP. MöllerArticleFirst Online: 01 December 1990 23 Downloads This is a preview of subscription content, log in to check access.Copyright information© Springer-Verlag 1990Authors and AffiliationsL. Jaenicke1H. Pfanz2P. Möller31.KölnGermany2.WürzburgGermany3.BerlinGermany