000 00289nam a2200121Ia 4500
008 160710s1953 xx 000 0 und d
082 _a513.25 HOB
100 _aHOBSON,E.W
245 _aSQUARING THE CIRCLE
260 _bCHELSEA PUBLISHING COMPANY
_c1953
300 _a51
942 _2ddc
_cB
999 _c21707
_d21707