00506nam a2200169Ia 4500082002500000100002800025245005900053260004800112300001000160500000500170690000600175700000500181952010600186964001700292921001000309999001700319  a519.5330212bD249.NC  aDavid, F. N. and Others  aNormal centroids medians and scores for ordinal datab  aCambridgebCambridge University Pressc1968  a201p.  a  a   a  00104070aISIbISId1998-10-07l0o519.5330212 D249.NCpDP6188r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a15618  c15618d15618