Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Gary L. Allen. Children's control of reference systems in spatial tasks: Foundations of spatial cognitive skill?. Spatial Cognition & Computation, 1(4):413-429, 1999. [doi]
Abstract is missing.