00394nam a2200109Ia 4500008004100000082002400041100002100065245008300086260003300169300002200202490006000224250127b        |||||||| |||| 00| 0 eng d  a519.50184bAn549.SM  aAnderson, Sharon  aStatistical methods for comparative studiesb: techniques for bias reduction /  aNew York:bJohn Wiley,c1980  axiii, 289p. Index  aWiley series in Probability and Mathematical Statistics