Технология переработки и обогащения руд цветных металлов: Учебное пособие в 2 кн. Т.3. Книга 1. Рудоподготовка и Cu, Cu-Py, Cu-Fe, Mo, Cu-Mo,Cu-Zn руды
“ In the end only three things matter: how much you loved, how gently you lived, and how gracefully you let go of things not meant for you. ” ― Anonymous
