@article{NSR1956PO16, author="W. {Porschen} and W. {Riezler}", title="Sehr langlebige naturliche $\alpha$-Strahler", journal="Z.Naturforsch.", year=1956, volume="11a", pages="143" }
***** ***** * Note: Translation from NSR format to bibTex is imperfect. Entries * * may require editing before use. This is especially true for * * "secondary" sources such as conference proceedings, lab reports, etc. * ***** *****