Papers from a Symposium held in Scopje on 31st October 1997 on the Occasion of 30th Anniversary of foundation of the Makedonian academy of sciences and arts
(1998)
Which innovations will contribute to the quality of life, food and agriculture? : Papers from a seminar held at the European Parliament in Strasbourg, 28-29 November 1996
(1998)
A Compilation of the Papers Presented at the Joint Winter Meeting New York Section, Soc. of Am. Foresters and Empire State Chapter, Soil Conservation Soc. of America Syracuse, New York, January 23-24, 1964
(1965)
