Kochar, Subhash CMukherjee, HariSamaniego, Francisco J2012-04-232012-04-231999Naval research logistic,V46,P507-523http://hdl.handle.net/10263/3486enCohorent systemStochastic orderingHazard rate orderingLikelihood ratio orderingThe signature of a coherent system and its application to comparison among systemArticle