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Information × Registration Number 0205U000032, 0101U007475 , R & D reports Title Сosmological study of low-matallicity blue compact dwarf galaxies popup.stage_title Head Izotov Yu.I., Registration Date 10-01-2005 Organization Main Astronomical Observatory popup.description2 New empirical relations for determination of chemical abundances in galaxies were analysed. Determination of heavy elements abunbances in 681 emission line galaxies was done using the catalogue SDSS. The stellar population in I Zw 18 was studied on the basis Hubble Space Telescope data. A primordial helium abundance was determined.5635 Product Description popup.authors popup.nrat_date 2020-04-02 Close