TY  - BOOK
AU  - Mansfield Richard
AU  - Weitkamp Galen
TI  - Recursive aspects of descriptive set theory
SN  - 0-19-503602-6
U1  - 511.322 
PY  - 1985///
CY  - New York
PB  - Oxford University Press
KW  - Descriptive theory
KW  - Recurtion theory
ER  -