TY  - DATA
AU  - M. Barr
AU  -  D. H. van Osdol
AU  -  P. A. Grillet
TI  - Exact Categories and Categories of Sheaves
T2  - Lecture Notes in Mathematics
SN  - 9783540369998
PY  - 1971///
CY  - Heidelberg
PB  - Springer Berlin
KW  - Mathematics and Statistics
UR  - https://doi.org/10.1007/BFb0058579
ER  -