Shklovskii, I. S. & Carl Sagan books & textbook
Intelligent Life In the Universe
Shklovskii, I. S. and Carl Sagan
Delta /1966T Paperback / 488 Pages
isbn-10: 0440540569 / isbn-13: 9780440540564
Vida inteligente en el universo (Spanish Edition)
Sagan, Carl Shklovskii, I. S. Company Bueno, José
Reverté /1985-04-01 Paperback / 578 Pages
isbn-10: 8429141596 / isbn-13: 9788429141597
