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This book is of special relevance for researchers in. by Astrid Sigel, Helmut Sigel, Roland K.O. Sigel. Edited by Roland K.O. Sigel. Format Hardcover. ISBN-13 9783110442816. ISBN-10 3110442817. Publisher De Gruyter.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.