English Beginner Atom - A Single Oxygen Atoms Journey from the Big Bang to Life on Earth...and Beyond Lawrence M. Krauss 2001 مشاهدهٔ کتاب
English Beginner Some new feartures of the atmospheric oxygen bands, and the relative abundance of the isotopes O^16, O^18 Babcock H.D. 1929 مشاهدهٔ کتاب