TY  - BOOK
AU  - Dick, Steven J
TI  - The biological universe : the twentieth-century extraterrestrial life debate and the limits of science
SN  - 9780521663618
SN  - 501855
U1  - 576.839 DIC 
PY  - 1999///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Life - Origin
KW  - Life on other planets
KW  - Unidentified flying objects
N1  - Includes bibliographical references and index
ER  -