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PTB News 2007.1

Imprint

PTBnews 07.1
English edition
April 2007
ISSN 1611-1621
Published by
Physikalisch-Technische Bundesanstalt (PTB)
Braunschweig and Berlin · Germany

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(at)ptb.de