000 00307nam a2200133Ia 4500
082 _a513.2
_bNIV
100 _aNiven, Ivan
245 _aNumbers : rational and irrational.
260 _aNew York
_bRandom House
_c1961
300 _a136p.
500 _aENG
890 _aUnited States
999 _c24323
_d24323
650 _aNumbers, Real