https://ufologie.patrickgross.org/ce3/1977-04-greece-pendeli.htm
ufo - UFOS at close sight: URECAT-000437 - April 1977, Pendeli Mountain, Greece, Mr L X, his wife...
ufo - UFOS at close sight: URECAT-000437 - April 1977, Pendeli Mountain, Greece, Mr L X, his wife and Miss V. M..