TY  - BOOK
AU  - Sagan, Carl
TI  - Murmurs of earth
SN  - 0-340-24423-2
PY  - 1978///
CY  - London
PB  - Hodder and Stoughton
KW  - Astronomy
KW  - Astronomy and astrophysics thesaurus
KW  - Earth
ER  -