November 23, 2001
The paper has been withdrawn
Similar papers 1
June 1, 1998
This paper has been withdrawn by the authors.
May 17, 2007
This paper has been withdrawn by the author.
July 28, 2005
This paper has been withdrawn by the author.
July 11, 2002
This paper was withdrawn by the author.
May 15, 1994
This paper has been withdrawn pending revision.
December 2, 1999
This paper has been withdrawn
April 26, 1999
The paper has been withdrawn by the author.
December 13, 2002
This paper has been withdrawn by the author
June 27, 2008
This paper has been withdrawn by the author due to extremely unscientific errors.
May 30, 2005
This paper has been withdrawn.