The Hercules Text
McDevitt, Jack
Scientists monitoring an x-ray pulsar in the constellation Hercules discover that messages are being sent from an unknown extraterrestrial
种类:
年:
1986
出版:
First Edition
出版社:
Ace
语言:
english
页:
307
ISBN 10:
0441373674
ISBN 13:
9780441373673
文件:
EPUB, 1.68 MB
IPFS:
,
english, 1986