V. A. Artamonov (Moscow, Russia)
M. M. Choban (Kishinev, Moldova)
B. Davvaz (Yazd, Iran)
A. Drapal (Praha, Czech Republic)
T. Foguel (Auburn, USA)
M. M. Gluhov (Moscow, Russia)
Y. B. Jun (Chinju, South Korea)
A. D. Keedwell (Surrey, England)
T. Kepka (Praha, Czech Republic)
H. Kiechle (Hamburg, Germany)
M. K. Kinyon (South Bend, USA)
A. Krapez (Belgrade, Serbia)
E. A. Kuznetsov (Kishinev, Moldova)
P. O. Mikheev (Moscow, Russia)
G. L. Mullen (Pennsylvania, USA)
Q. Mushtaq (Islamabad, Pakistan)
J. Neggers (Alabama, USA)
J. D. Phillips (Michigan, USA)
A. B. Romanowska (Warszawa, Poland)
J. D. H. Smith (Iowa, USA)
Z. Stojakovic (Novi Sad, Serbia)
V. S. Trokhimenko (Vinnitsa, Ukraine)
P. Vojtĕchovský (Denver, USA)