@article{1177706727,
author = {Graybill, Franklin A.},
title = {Determining Sample Size for a Specified Width Confidence Interval},
journal = {Ann. Math. Statist.},
volume = {29},
number = {4},
year = {1958},
pages = { 282-287},
language = {en},
url = {http://dml.mathdoc.fr/item/1177706727}
}
Graybill, Franklin A. Determining Sample Size for a Specified Width Confidence Interval. Ann. Math. Statist., Tome 29 (1958) no. 4, pp. 282-287. http://gdmltest.u-ga.fr/item/1177706727/