MASTERCLASS Akademika Vladana Đorđevića u Srpskoj akademiji nauka i umetnosti (video link)
The 80th birthday of Academician Felix Leonidovich Chernousko (pdf-english)
At the last session in 1998 of the Presidency of the Yugoslav Society of Mechanics Professor Richard Hetbarski, James E. Gleason Professor was elected an honorary member of the Yugoslav Society of Mechanics (pdf I, pdf II). New paper published by Richard Hetbarski Constant Force Spring System With a Spiral.