1. Cocconi, G. and Morrison, P., (1959), Searching for Interstellar Communications, Nature 184, 844.
2. Papagiannis, M.D., (1980), Strategies for the Search for Life in the Universe,(Editor), D. Reidel Publ. Co., Dordrecht, Holland.
3. Papagiannis, M.D., (1983), Commission 51: Search for Extraterrestrial Life, in Transactions of the IAU. Vol. XVIIIB, p. 323, Ed. by R.M. West, D. Reidel Publ. Co., Dordrecht, Holland.
4. Papagiannis, M.D., (1983), Search for Extraterrestrial Life - a New Commission of the International Astronomical Union, J.B.I.S., 36, 305.
5. Papagiannis, M.D., (1985), The Search for Extraterrestrial Life: Recent Developments. A Report on IAU Symposium 112. J.B.I.S., 38, 281, 1985.