Canlyniadau Chwilio - "Extraterrestrial beings"

Searching for extraterrestrial intelligence SETI past, present, and future gan Shuch, H. Paul

Available for UP System via Springer Link.

Mysterious journeys, episode III

Mysterious journeys, episode II

Mysterious journeys, episode I

Real alien life forms exists in outer space gan Mogato, Manny

We are the aliens an archaeological odyssey gan Schiffer, Michael Brian

The computer nut gan Byars, Betsy Cromer

The space ship under the apple tree gan Slobodkin, Louis 1903-

The message given to me by extra-terrestrials, they took me to their planet gan Vorilhon, Claude

Let's welcome our fathers from space they created humanity in their laboratories gan Vorilhon, Claude