Title: La cuarta cripta
Description: Dr. Hans Von Seeckt, an original member of a 1940 government research team studying nine unidentified craft in the Antarctic, fears that the technology of the mother-ship poses a present threat to our planet.
Subjects: Unidentified flying objects, Fiction, Space ships, Ovnis, Romans, nouvelles, Vaisseaux spatiaux
Places: Nellis Air Force Base (Nev.), Nevada, Nellis Air Force Base