TY  - BOOK
AU  - Barr,M.
AU  - Mac Lane,S.
ED  - Midwest Category Seminar
TI  - Reports of the Midwest Category Seminar III
U1  - 510.82 
PY  - 1969///
CY  - Berlin
PB  - Springer
KW  - Categories (Mathematics)
N1  - Bibliography : p. 246-247
ER  -