This file seems not to be public domain. It was published by Schott. Maybe remove it?
Unless some evidence is provided shortly that this edition is in fact public domain property I believe it will have to be removed. At the bottom of page 3 it is copyrighted by Schott, 1979, which, according to my understanding, will not become public domain property until 2059 at the earliest. --Sphemusator 07:56, 16 June 2006 (CDT)