3 ms·
http://physics.uark.edu/hobson/pubs/13.09.a.AJP.pdf http://physics.uark.edu/hobson/pubs/13.09.a.AJP.pdf
by monort 10y ago
http://physics.uark.edu/hobson/pubs/13.09.a.AJP.pdf http://physics.uark.edu/hobson/pubs/13.09.a.AJP.pdf
- deleted 10y ago[deleted]