000 00286 a2200121 4500
080 _a519.6
_bW 443 T
245 1 _aTheory of errors and least squares
_cby L.D. Weld
260 _c1916
650 _aTheory of Errors
650 _aLeast Squares
100 1 _aWeld, L.D.
_d
901 _a16676
999 _c25091
_d25091