TY  - RPRT
TI  - Projectors.
AU  - N C Manley-Cooper
PY  - 1967
DO  - 10.1111/j.1365-2923.1967.tb01701.x
UR  - https://pubmed.ncbi.nlm.nih.gov/4169953/
ID  - 4169953
ER  -