000 00326 a2200121 4500
005 20250405095458.0
082 _a519.5 MAS
100 _aMASON, R. D.
245 _aBusiness and Economics Statistics
260 _aIllinois,
_bLearning Systems Company,
_c1970.
300 _axi, 163p.: ill,; table
_bIndex.
_c25cm.
942 _2ddc
_cBKS
999 _c1168
_d1168