Cover Image
Read Now

1
by Bulger, Ruth
Published 1974
Springer US
Cover Image
Read Now

2
by Markov, M.
Published 1988
Springer US
“..., Bulgaria on 6-12 October 1986. It was designed as an advanced course through a collaboration...”
Cover Image
Read Now

3
by Pullman, Alberte, Vasilescu, V., Packer, L.
Published 1985
Springer US
“... including 150 Romanian participants and others from Bulgaria, Czechoslovakia, England, the Federal Republic...”