MUFON UFO Journal - 1998 12. December
MUFON UFO Journal - 2000 10. October
MUFON UFO Journal - 2000 11. November
MUFON UFO Journal - 1998 8. August
MUFON UFO Journal - 2004 2. February
MUFON UFO Journal - 1997 12. December
MUFON UFO Journal - 2003 6. June
