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000057893 1001_ $$aLey, Willy,$$d1906-1969.
000057893 24514 $$aThe discovery of the elements.
000057893 260__ $$aNew York,$$bDelacorte Press,$$cc1968.
000057893 300__ $$a215 p.$$billus.$$c22 cm.
000057893 504__ $$aBibliography: p. 205-208.
000057893 650_0 $$aChemical elements$$vJuvenile literature.
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