TY  - RPRT
TI  - THOUGHTS CONCERNING SPATIAL VCG SYSTEMS.
AU  - Z Z ZAO
PY  - 1964
DO  - 10.1016/0002-8703(64)90312-6
UR  - https://pubmed.ncbi.nlm.nih.gov/14209662/
ID  - 14209662
ER  -