| Literature DB >> 4111909 |
R Coenen, W Fritsch, S Goetzmann, H Kesberger, J Langhein, H D Piotrowski, R Schladitz.
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Year: 1972 PMID: 4111909 DOI: 10.1007/bf00591783
Source DB: PubMed Journal: Naturwissenschaften ISSN: 0028-1042