@article{urn:eudml:doc:42447,
title = {A class of PPS estimators variance using auxihary information.},
journal = {Revista de la Real Academia de Ciencias Exactas F\'\i sicas y Naturales},
volume = {93},
year = {1999},
pages = {217-220},
zbl = {0952.62014},
language = {en},
url = {http://dml.mathdoc.fr/item/urn:eudml:doc:42447}
}
HousiLA P. SINGH AND M. RUIZ ESPEJO. A class of PPS estimators variance using auxihary information.. Revista de la Real Academia de Ciencias Exactas Físicas y Naturales, Tome 93 (1999) pp. 217-220. http://gdmltest.u-ga.fr/item/urn:eudml:doc:42447/