PTB-news 2007.1
PTBnews2007_1e PTBnews 1/2007, english edition, April 2007
Chief Editor Jens Simon
PTB, Bundesallee 100
D-38116 Braunschweig
phone: (+49 531) 592-30 06
fax: (+49 531) 592-30 08
e-mail: ptbnews@ptb.de
© Physikalisch-Technische Bundesanstalt, last update: 2011-11-17, Volker Großmann
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