48853bfe1b95d310VgnVCM100000c2b1d38dRCRDapproved/UMICH/stats/Home/People/Faculty/Faculty PublicationsEstimating monotone, unimodal and U--shaped failure rates using asymptotic pivots18853bfe1b95d310VgnVCM100000c2b1d38d____Estimating monotone, unimodal and U--shaped failure rates using asymptotic pivotsBanerjee, M.moulibStatistica Sinica182007467-492jjsantosjjsantos1363012121250