Chaudhuri, ArijitDihidar, KajalBose, Mausumi2011-09-162011-09-162006Communication in Statistics, v.35, no.12, p.2239-2244http://hdl.handle.net/10263/2562enFirst and second order inclusion probabilitiesVariance estimationOn the feasibility of basing Horvitz and Thompson's estimator on a sample by Rao, Hartley, and Cochran's schemeArticle