Mufon ufo journal 1973 7. july - skylook
Mufon ufo journal 1975 1. january - skylook
Mufon ufo journal 1973 4. april - skylook
Mufon ufo journal 1973 11. november - skylook
Mufon ufo journal 1973 3. march - skylook
Mufon ufo journal 1973 1. january - skylook
Mufon ufo journal 1973 6. june - skylook
Mufon ufo journal 1976 4. april - skylook
MUFON UFO Journal - 1987 2. February
MUFON UFO Journal - 1976 4. April - Skylook
