-
1Published 1981“...National Academy Press,...”
Book -
2Published 1980“...National Academy Press,...”
Book -
3Published 1982“...National Academy Press,...”
Book -
4Published 1985“...National Academy Press,...”
Book -
5Published 1994“...National Academy Press,...”
Conference Proceeding Book -
6Published 1971“...Bulgarian Academy of Sciences Press,...”
Conference Proceeding Book