C B Kopp, M Sigman, A H Parmelee. Show Affiliations »
Abstract
Mesh: See more » Age FactorsChild DevelopmentCognitionHumansInfantMotor SkillsPsychological TestsPsychological Theory
Year: 1973 PMID: 4751302
Source DB: PubMed Journal: Child Dev ISSN: 0009-3920