TY  - BOOK
AU  - Maclane, Saunders,
TI  - Categories for the working mathematician
U1  - 512.55 MACL. 
PY  - 1971///
CY  - New York
PB  - Springer-Verlag
KW  - Categories (Mathematics)
N1  - Bibliography: (p. 249-252)
ER  -