%0 Book %A Spedding, F. H. %E Symposium on the Rare Earths and Related Elements %E Spedding, F. H. %E Daane, A. H. %I Wiley %D 1961 %C New York %G "American Society for Metals and the Atomic Energy Commission ... [sponsored] this symposium." %G englisch %T The Rare earths