000
00332nam a2200145Ia 4500
020
_a
9780439011570
082
_b
6
_a
510
100
_a
"Kjartan Poskitt"
245
4
_a
The Essential Arithmetrics how to + x -
260
_c
1999
300
_a
176
944
_c
TR
999
_c
112137
_d
112137