000 00258nam a2200109Ia 4500
008 160710s1956 xx 000 0 und d
100 _aGUILFORD
245 _aELEMENTARY STATISTICAL EXERCISES
260 _bMCGRAW-HILL
_c1956
300 _a73
942 _2ddc
_cB
999 _c17996
_d17996