% IMPORTANT: The following is UTF-8 encoded. This means that in the presence % of non-ASCII characters, it will not work with BibTeX 0.99 or older. % Instead, you should use an up-to-date BibTeX implementation like “bibtex8” or % “biber”. @ARTICLE{Poerschke:129994, author = {Poerschke, R. and Wollenberger, H.}, title = {{A} helium-cooled magnetic amplifier for d c measurements in the picovolt range}, journal = {Cryogenics : low temperature engineering, applied super conductivity, cryoelectronics, cryophysics}, volume = {10}, number = {4}, issn = {0011-2275}, address = {Amsterdam}, publisher = {Elsevier}, reportid = {RWTH-CONV-011168}, pages = {333-335}, year = {1970}, cin = {520000 / 523110}, cid = {$I:(DE-82)520000_20140620$ / $I:(DE-82)523110_20140620$}, typ = {PUB:(DE-HGF)16}, UT = {WOS:A1970G901400015}, doi = {10.1016/0011-2275(70)90067-6}, url = {https://publications.rwth-aachen.de/record/129994}, }