000 002770000a22001090004500
245 _aThe school mathematics project
260 _aLondon
_bC.U.P.
_c1970
500 _aBooks A-H (144 p.; 153 p.; 177 p.; 168 p.) metric ed.
080 _a51
_bS4
041 _aEN
942 _cBK
999 _c103646
_d103646