000 00359 a2200145 4500
082 _a372.73
_bCLN
100 _aClayton, H. W.
_958823
245 _aA natural approach to mathematics
_b: part 5
_cH. W. Clayton
260 _aOxford:
_bPergamon Press,
_c1965.
300 _a248p.
500 _aHB
546 _aeng
650 _aMathematics
_958825
942 _cBK
999 _c52322
_d52322