Skalsky, A.
Dubinin, E. M.
Petrukovich, A.
Sauer, K.
Kiraly, P.
Schwingenschuh, K.
Article History
Received: 4 August 1997
Revised: 19 January 1998
Accepted: 28 January 1998
First Online: 6 June 2014
Free to read: This content has been made available to all.