c2feea1157a5d310VgnVCM100000c2b1d38dRCRDapproved/UMICH/stats/Home/People/Faculty/Faculty PublicationsSecond order efficiency in the sequential design of experiments92feea1157a5d310VgnVCM100000c2b1d38d____Second order efficiency in the sequential design of experimentsKeener, R.keenerAnnals of Statistics121984510-532jjsantosjjsantos1363022857500