@Article{ Perri_RUEDA_Cobo:155-173,
author = { Pier Francesco Perri and MARÍA DEL MAR RUEDA GARCÍA and Beatriz Cobo Rodríguez } ,
title = { Multiple sensitive estimation and optimal sample allocation in the item sum technique. },
journal = { Biometrical Journal },
year = { 2017 },
volume = { 60 },
pages = { 155-173 },
}