Imprint
PTBnews 1/2012, English edition, August 2012, ISSN 1611-1621
PTBnews 1/2012, English edition, Issue August 2012, ISSN 1611-163X
The PTBnews are the science newsletter of the Physikalisch-Technische Bundesanstalt (PTB). They are aimed at PTB‘s cooperation partners in the economy and science as well as anyone else
who is interested. The PTBnews are published three times each year in a German as well as in an English edition and can be subscribed to free of charge.
Subscription form: www.ptb.de > Publications > 
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Publisher: Physikalisch-Technische Bundesanstalt (PTB), Braunschweig und Berlin
Editors: Franz Josef Ahlers, Harald Bosse, Ludger Koenders, Christian Lisdat, Mathias Richter, Erika Schow, Jens Simon (verantwortlich), Florian Schubert, Peter Ulbig
Translation: Cécile Charvieux (PTB-Sprachendienst/Translation Office)
Layout: Volker Großmann, Alberto Parra del Riego (concept)
Translation: Cécile Charvieux (PTB-Srachendienst/PTB Translation Office)
Editorial Office: Press and Information Office, PTB, Bundesallee 100, D-38116 Braunschweig, phone +49 (0)531 592-3005, fax +49 (0)531 592-3008, e-mail: 
ptbnews(at)ptb.de