TY  - BOOK
AU  - Gray, J.W..
TI  - Lecture Notes in Mathematics: Reports of the Midwest Category Seminar V / 
SN  - 3-540-05442-1
U1  - B25 
PY  - 1980///
CY  - Berlin 33 : 
PB  - Springer-Verlag , 
KW  - Mathematics
ER  -