000 00359nam a2200145 4500
003 OSt
008 220602b |||||||| |||| 00| 0 eng d
020 _a0550770178
082 _a372.7
_bPRO
245 _aProblems red set
260 _aLondon :
_bNuffield Mathematics Project,
_c1970
300 _a80p.;
_c20cm
650 0 _aSocial Sciences
942 _2ddc
_cLM
999 _c140160
_d140160