@book{Pollack2005,
author = {Pollack, J.M. and Atkins-Burnett, S. and Najarian, M. and Rock, D.A.},
title= {Early childhood longitudinal study, kindergarten class of 1998–99 (ECLS-K): Psychometric report for the fifth grade (NCES 2006-036)},
year = {2005},
address = {Washington, D.C.},
publisher = {US Department of Education},
}