TY  - BOOK
AU  - Applegate,H.
AU  - Mac Lane,S.
AU  - Applegate,H.
TI  - Reports of the Midwest category seminar IV
U1  - 510.82 
PY  - 1970///
CY  - Berlin
PB  - Springer-Verlag
KW  - Categories (Mathematics)
N1  - Bibliography : p. 137
ER  -