Загуменников, Валерий Борисович, Анна Владимировна Молчанова, Елена Юрьевна Бабаева, and Анна Леонидовна Петрова. 1. “TO THE QUESTION OF ACCUMULATION OF NITRATES IN ECHINACEA PURPUREA FRESH GRASS AND ITS JUICE AT AMENDMENT MACRO AND MICROELEMENTS”. Chemistry of Plant Raw Material, no. 1 (1), 235-41. https://doi.org/10.14258/jcprm.1401235.