TY  - BOOK
AU  - Childs, Lindsay.
TI  - A concrete introduction to higher Algebra
T2  - (Undergraduate texts in Mathematics)
SN  - 9780387745275
SN  - 01726056
PY  - 2009///
CY  - New York, N.Y.
PB  -  : Springer
KW  -  ALGEBRA
ER  -