Мировые запасы природного газаhttps://ru.wikipedia.org/wiki/%D0%9C%D0%B8%D1%80%D0%BE%D0%B2%D1%8B%D0%B5_%D0%B7%D0%B0%D0%BF%D0%B0%D1%81%D1%8B_%D0%BF%D1%80%D0%B8%D1%80%D0%BE%D0%B4%D0%BD%D0%BE%D0%B3%D0%BE_%D0%B3%D0%B0%D0%B7%D0%B0