TY  - RPRT
TI  - 4D, or not 4D: that is the question.
AU  - Stuart Campbell
PY  - 2002
DO  - 10.1046/j.0960-7692.2002.00625.x
UR  - https://pubmed.ncbi.nlm.nih.gov/11851960/
ID  - 11851960
ER  -