@article{266799, author = {Mix, Kelly S. and Levine, Susan Cohen. and Huttenlocher, Janellen.}, url = {http://library.usi.edu/record/266799}, title = {Quantitative development in infancy and early childhood /}, publisher = {Oxford University Press,}, recid = {266799}, pages = {158 p. :}, address = {Oxford ;}, year = {2002}, }