[alex diesel spb]

https://fuel-bmstu.ru/wp-content/uploads/2018/05/%D0%A2%D0%B5%D0%BE%D1%80%D0%B8%D1%8F-%D0%B8-%D0%BF%D1%80%D0%B0%D0%BA%D1%82%D0%B8%D0%BA%D0%B0-%D0%BF%D1%80%D0%BE%D0%B5%D0%BA%D1%82%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D1%8F-%D0%A2%D0%9D%D0%92%D0%94.pdf