Maiti, PulakeshTripathi, T P2013-08-282013-08-282009Pakistan Journal of Statistics, v.25, no.2, p.165-194http://hdl.handle.net/10263/5583enPaired observationsEstimation of varianceSearles estimatorsBivariate gamma populationBeta stacy populationSome improved variance estimators from a bivariate non-normal populationArticle