SETI 2020: A Roadmap for the Search for Extraterrestrial Intelligence

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Overview:

Title: SETI 2020: A Roadmap for the Search for Extraterrestrial Intelligence
Author: Ronald D. Ekers, D. Kent Cullers, John Billingham, Louis K. Scheffer
Year: 2002
ISBN-10: 0966633539
Publisher: SETI Press
Pages: xlix+549
Binding: Trade Paperback
Type: Non-fiction
Title Reference: SETI 2020: A Roadmap for the Search for Extraterrestrial Intelligence
Notes:
prologue by Philip Morrison
No online catalog lists more than 3 of the listed authors for this title, and those that do list 4 (Google Books) add the Prologue author as an editor. There is sufficient evidence elsewhere and on the cover that Scheffer did actually contribute to this publication.