TY  - BOOK
AU  - Johnstone, Peter T.
TI  - Sketches of an elephant [2v.]: a topos theory compendium
SN  - 9780198524960
U1  - 512.55 
PY  - 2002///
CY  - Oxford
PB  - Clarendon Press
KW  - Topos
KW  - Toposes
ER  -