"0, . "
science and technology policies information exchange system: (spines)/ - 1 ed. - france : unesco 1974. - ", 115p.; 27 cm."
92-3-101185-5
600. une
science and technology policies information exchange system: (spines)/ - 1 ed. - france : unesco 1974. - ", 115p.; 27 cm."
92-3-101185-5
600. une