TY - BOOK AU - Boffi,G. AU - Buchsbaum,David TI - Threading homology through algebra: selected patterns T2 - Oxford mathematical monographs SN - 0198524994 AV - QA169 B64 U1 - 512.64 22 PY - 2006/// CY - Oxford PB - Clarendon Press KW - Álgebra homológica ER -