ISBN 9783319132358 books & textbook
If the Universe Is Teeming with Aliens ... WHERE IS EVERYBODY?: Seventy-Five Solutions to the Fermi Paradox and the Problem of Extraterrestrial Life (Science and Fiction)
Springer /2015-05-29 Paperback / 449 Pages
isbn-10: 3319132350 / isbn-13: 9783319132358
