CONCEPT · RECORD PENDING
Clasificacion Svp
Source entries are currently shown in Spanish; English-first entries arrive with the next cataloguing pass.
Treated in the works
what each work asserts, with its passageVallée — UFO Chronicles of the Soviet Union (1992)
Código de tres dígitos para fiabilidad de la fuente, visita al sitio y explicación natural posible«pp. 223, 224»