Pankratov, Oleg V.
Avdeev, Dmitry B.
Kuvshinov, Alexei V.
Shneyer, Vitaly S.
Trofimov, Igor L.
Article History
Received: 8 June 1996
Revised: 6 May 1997
Accepted: 19 September 1997
First Online: 6 June 2014
Free to read: This content has been made available to all.