TY  - BOOK
AU  - Williams,Paul O.
TI  - The Ends of the circle
T2  - Pelbar cycle
SN  - 0345313232
AV  - PS3573.I455 
PY  - 1981///
CY  - New York
PB  - Ballantine Books
KW  - Science fiction, American
KW  - Science fiction
ER  -