TY  - BOOK
AU  - Hjorth Greg
TI  - Classification and orbit equivalence relations
SN  - 0-8218-2002-8
U1  - 510MS 
PY  - 2000///
CY  - Providence
PB  - AMS
KW  - Classification
KW  - Equivalence classes(Set theory)
KW  - Equivalence relations(Set theory)
ER  -