TY  - RPRT
TI  - Children's errors in copying angles: perpendicular error or bisection error?
AU  - J G Bremner
AU  - A J Taylor
PY  - 1982
DO  - 10.1068/p110163
UR  - https://pubmed.ncbi.nlm.nih.gov/7155769/
ID  - 7155769
ER  -