@article{1177700297,
author = {Raj, Des},
title = {On Sampling Over Two Occasions with Probability Proportionate to Size},
journal = {Ann. Math. Statist.},
volume = {36},
number = {6},
year = {1965},
pages = { 327-330},
language = {en},
url = {http://dml.mathdoc.fr/item/1177700297}
}
Raj, Des. On Sampling Over Two Occasions with Probability Proportionate to Size. Ann. Math. Statist., Tome 36 (1965) no. 6, pp. 327-330. http://gdmltest.u-ga.fr/item/1177700297/