Alobadi Khalid Hashem, Bashmakova Elena B., Alobadi Khalid Hashem, Kholodova Valentina P., Bashmakova Elena B., Kholodova Valentina P. «A comparative analysis of resistance of three species of the genus Brassica to excess copper concentration at the initial stage of ontogenesis» // 2011. №4 (16) C.92-95