00738nam0-22002771i-450-990000951930403321000095193FED01000095193(Aleph)000095193FED0100009519320000920d1965----km-y0itay50------baengDistribution of the Elements in our PlanetL.H. AhrensNew YorkMcGraw-Hill1965GeofisicaTerra550Ahrens,Louis Herman24ITUNINARICAUNIMARCBK99000095193040332119A-0154574FI1FI1Distribution of the Elements in our Planet358029UNINAING01