Yazar
Mark Rodeghier
2 cilt bulundu.
Cilt sonuçları
Surveys With Confidence
Mark Rodeghier · Spss
Sayfa sayısı yok · 1997
Social surveys / Handbooks, manuals / Sampling (Statistics) / Questionnaires / Data Collection
UFO reports involving vehicle interference
Mark Rodeghier · Center for UFO Studies
144 sayfa · 1981
Motor vehicles / Sightings and encounters / Unidentified flying objects