MUFON UFO Journal - 1998 12. December
MUFON UFO Journal - 2002 6. June
MUFON UFO Journal - 1998 9. September
MUFON UFO Journal - 2000 10. October
MUFON UFO Journal - 1998 8. August
MUFON UFO Journal - 2000 8. August
MUFON UFO Journal - 2002 7. July
MUFON UFO Journal - 2003 6. June
