From a list compiled by Angelos Mysirgis:
Hart, Michael H. (1975)
Explanation for the Absence of Extraterrestrials on Earth Abstract Paper
Tipler, F. J. (1980)
Extraterrestrial intelligent beings do not exist Abstract Paper
Brin, G. D. (1983)
The Great Silence - the Controversy Concerning Extraterrestrial Intelligent Life Abstract Paper
Drake, F. D. (1985)
A comparative analysis of space colonization enterprises Abstract Paper
Papagiannis, M. D. (1985)
An infrared search in our solar system as part of a more flexible search strategy Abstract Paper
Wesson, Paul S. (1990)
Cosmology, extraterrestrial intelligence, and a resolution of the Fermi-Hart paradox Abstract Paper
Scheffer, Louis K. (1994)
Machine Intelligence, the Cost of Interstellar Travel and Fermi's Paradox Abstract Paper
Falk, D. (1995)
Brain Evolution in Dolphins, Humans and Other Mammals: Implications for ETI Abstracts Paper
Oro, J. (1995)
The Chemical and Biological Basis of Intelligent Terrestrial Life from an Evolutionary Perspective Abstract Paper
Arkhipov, A. (1995)
A Search for Alien Artifacts on the Moon Abstract Paper
Ashkenazi, M. (1995)
Will ETI Be Space Explorers? Some Cultural Considerations Abstract Paper
Klein, H.; Farmer, J. (1995)
Status of the Search for Life on Mars Abstract Paper
Steel, D. (1995)
SETA and 1991 VG Abstract Paper
Weiler, H. (1996)
The probability of 1991 VG Abstract Paper
Steel, D. (1998)
The Fermi paradox and 1991 VG Abstrat Paper
Livio, Mariov (1999)
How Rare Are Extraterrestrial Civilizations, and When Did They Emerge? Abstract Paper
James Annis (1999)
An Astrophysical Explanation for the Great Silence Abstract Paper
Vladimir A. Lefebvre, Yuri N. Efremov (2000)
Cosmic Intelligence and Black Holes Abstract Paper
Musso, Paolo (2001)
On the last terms of Drake Equation: the problem of energy sources and the "Rare Earth Hypothesis" Abstract Paper
Godfrey Louis, A. Santhosh Kumar (2003)
Cometary panspermia explains the red rain of Kerala Abstract Paper
Horvath J. E. (2003)
On gamma-ray bursts and their biological effects: a case for an extrinsic trigger of the Cambrian explosion ? Abstract Paper
Beatriz Gato-Rivera (2003)
Brane Worlds, the Subanthropic Principle and the Undetectability Conjecture Abstract Paper
Hoyle, F.; Whickramasinghe, C. (2003)
Astronomy or biology? Abstract Paper