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28th Annual conference of St. Petersburg historians of science and technology
| GOST | Ivanov S. 28th Annual conference of St. Petersburg historians of science and technology // Voprosy istorii estestvoznaniia i tekhniki. – 2008. – V. 29. – Issue 4 C. 209-211 . URL: https://vietmag.org/s020596060022286-6-1/ |
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| MLA | Ivanov, Sergey "28th Annual conference of St. Petersburg historians of science and technology." Voprosy istorii estestvoznaniia i tekhniki. 29.4 (2008).:209-211. |
| APA | Ivanov S. (2008). 28th Annual conference of St. Petersburg historians of science and technology. Voprosy istorii estestvoznaniia i tekhniki. vol. 29, no. 4, pp.209-211 |