TY  - BOOK
AU  - Childs Lindsay N
TI  - Concrete introduction to higher algebra
T2  - Undergraduate texts in mathematics
SN  - 9780387745275 (hbd)
U1  - B25, L9;P9 
PY  - 2009///
CY  - New York 
PB  - Springer      
KW  -  Algebra
KW  - Mathematics
N1  - References 595-598p.; Index 599-603p
ER  -