My mother said that she'll try to find Julian soon, because she knew him pretty well and she hopes we will find him soon.
I can add a bit more info about him, I translated this from Spanish with Google, I think it's pretty accurate and It's so late now here in Spain :P
"In Burriana (Castellon) had the opportunity to interview several members of the "Mission arrowheads" (pictured), also formed following the sighting February 1988. Its mission is "to achieve the awakening of humanity through love to face the new era that we were coming," said Julian Arribas and Juan Ramon Carratalá. Members of this unique group managed to shoot several times about the presence of UFOs Burriana, but his experience the most spectacular lived on September 2, 1989 alongside Bernardo Cardó, runner global emissions by microwave radio. With two microwave antennas, a transmitter and a receiver, away from the first, the experience was to deliver skyward to signal that the rebound in "an extraterrestrial craft in the fourth dimension" and was received by the receiving antenna. And of course something abnormal happened. A surprised and skeptical Cardó certified that undoubtedly did something invisible screen. the experience was repeated a second time, but this time needed two screens fixed in the sky that signal rebounds. Incomprehensibly, again received the antenna receiving the signal."