TY  - BOOK
AU  - Beachy John A
TI  - Introductory lectures on ring and modules
SN  - 0-521-64407-0
U1  - 512.4 BE-I 
PY  - 1999///
CY  - N York
PB  - Cambridge University Press
KW  - Introductory lectures on ring and modules
ER  -