El Cometa /
Sagan, Carl, 1934-1996.
El Cometa / Carl Sagan, Ann Druyan. - 1a ed. - Barcelona : Planeta, 1992. - XIV, 187 p. : ill. col. ; 25 cm.
Includes indexes.
ELcometa carl Sagan - I
COSMOS
II Ann Druyan
8408000128 8408000136
Comets.
Halley's comet.
523.6 / SCC
El Cometa / Carl Sagan, Ann Druyan. - 1a ed. - Barcelona : Planeta, 1992. - XIV, 187 p. : ill. col. ; 25 cm.
Includes indexes.
ELcometa carl Sagan - I
COSMOS
II Ann Druyan
8408000128 8408000136
Comets.
Halley's comet.
523.6 / SCC