Swartz, Clifford E. Microstructure of matter /por Clifford E. Swartz - Washington, D.C. : U.S. Atomic Energy Commission Division of Technical Information, 1965 - 60 p. : ilus. LCCN: 100015 Subjects--Topical Terms: Átomos.Materia--Constitución.Partículas. Dewey Class. No.: 539.1 / Sw26