The development of reference systems in children
Published: 1961
Language: eng
Format: Microform
Number of pages: 123
Subjects: Child psychology; Space perception.
Notes: Thesis (Ph.D.) - University of Arizona, 1961.

Bibliography: leaves 117-123.

Microfilm. Ann Arbor, Mich. : University Microfilms, 1961. -- 1 reel ; 35 mm.