title: A reply from Earth?
abstract: An approach is proposed to developing a message from Humankind to extraterrestrial intelligence if we detect it.
authors.affiliation: American Embassy (SCI), Paris, France.
authors.forename: M A
authors.initials: MA
authors.lastname: Michaud
authors.forename: J
authors.initials: J
authors.lastname: Billingham
authors.forename: J
authors.initials: J
authors.lastname: Tarter
mesh_terms: D001256:Astronomy / Q000639:trends; D003142:Communication; D018534:Earth, Planet; D018559:Exobiology / Q000639:trends*; D005118:Extraterrestrial Environment; D005544:Forecasting; D006801:Humans; D007391:International Cooperation; D016134:Organizational Policy; D011050:Policy Making; D014480:United Nations