000 00289pam a2200121a 44500
010 _a58006309
082 _a311.2
_bW152E
100 _aWalker, Helen M.
245 1 _aELEMENTARY STATISTICAL METHODS
260 _a
_bHolt, Rinehart And Winston
_c1958
964 _gCIRC
997 _aK6839 C
999 _c380129
_d380129