Deep time : how humanity communicates across millennia /
Benford, Gregory, 1941-
Deep time : how humanity communicates across millennia / Gregory Benford. - New York : Avon, 1999. - 225 p. : ill. ; 24 cm.
Includes bibliographical references and index.
0380975378
98041085
Waste Isolation Pilot Plant (N.M.)
Civilization--History.
Communication and technology.
Environmental risk assessment--United States.
Radioactive waste sites--Environmental aspects--United States.
P96.T42 / B46 1999
333.7/14/0973
Deep time : how humanity communicates across millennia / Gregory Benford. - New York : Avon, 1999. - 225 p. : ill. ; 24 cm.
Includes bibliographical references and index.
0380975378
98041085
Waste Isolation Pilot Plant (N.M.)
Civilization--History.
Communication and technology.
Environmental risk assessment--United States.
Radioactive waste sites--Environmental aspects--United States.
P96.T42 / B46 1999
333.7/14/0973