000 00340nam a2200145Ia 4500
008 130223s9999 xx 000 0 und d
100 _aSanders, E.N.
245 _aImproving group action
260 _aArkansas
260 _c1963
300 _a21 p.
440 _aNo. 518; Arkansas Agricultural
901 _pS18949
942 _cB
_2udc
999 _c125223
_d125223