000
002490000a22001090004500
245
_a
Algebraic structures for teachers
100
_a
Webber, G.C.
260
_a
Boston
_b
Houghton Miffin
_c
1973
080
_a
512.5
_b
W4
041
_a
EN
942
_c
BK
999
_c
109361
_d
109361