1972 FEANI/UNESCO seminar on continuing sducation of engineers, 21-24 August 1972, Helsinki, finland : general information : programme : abstracts of the seminar papers : social events
1972 FEANI/UNESCO seminar on continuing sducation of engineers, 21-24 August 1972, Helsinki, finland : general information : programme : abstracts of the seminar papers : social events
1972 FEANI/UNESCO seminar on continuing sducation of engineers, 21-24 August 1972, Helsinki, finland : general information : programme : abstracts of the seminar papers : social events
1972 FEANI/UNESCO seminar on continuing sducation of engineers, 21-24 August 1972, Helsinki, finland : general information : programme : abstracts of the seminar papers : social events