000 00277cam a2200109 4500
020 _a9781741262230 (pbk) :
_c9.90BND
100 1 _aMONTAGUE-SMITH Ann
245 _aSubtracting /
_cAnn Montague-Smith
260 _a:
_bQED Pubs,
_c2005
300 _a24 p.
945 _i27221-1001
_rY
_sY
999 _c12753
_d12753