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Science policy in ECE countries : a selective bibliography = Politique scientifique dans les pays de la CEE : bibliographie sélective = Politica cientÃfica en los paÃses de la CEE : bibliografÃa selectiva / United Nations library.
- 84
- United Nations,
- 1971.
- Geneva :
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Human fertility and national development : a challenge to science and technology.
- 304.632 H9181
- United Nations,
- 1971.
- New York :