TY  - RPRT
TI  - Developmental differences in mental rotation.
AU  - M K Childs
AU  - J M Polich
PY  - 1979
DO  - 10.1016/0022-0965(79)90054-7
UR  - https://pubmed.ncbi.nlm.nih.gov/438726/
ID  - 438726
ER  -