Proceedings of the fifth winter meeting on low temperature physics, unidad de seminarios ignacio chavez, unam, mexico 1984 / Ed. j. l. heiras, r. tsumura, t. akachi - 96 páginas - Winter Meeting on Low Temperature Physics 5 . Subjects--Topical Terms: Criogenia--Congresos LC Class. No.: QC278 / W54 1984