Introducing research results into practice. Sofia: БАН, 1987 220 p.
Introducing research results into practice. Sofia: БАН, 1987 220 p.
(1987) Introducing research results into practice, Sofia: БАН 220 p.
(1987). Introducing research results into practice. Proceedings of bilateral bulgarian and american seminar on the introducing research results into practice. Sofia, October 6 to 17, 1986. Sofia: БАН, 220 p.
Introducing research results into practice: Proceedings of bilateral bulgarian and american seminar on the introducing research results into practice. Sofia, October 6 to 17, 1986. Sofia: БАН; 1987. p. 220 p.