TY  - RPRT
TI  - A projector for colour demonstrations.
AU  - J R TROTTER
PY  - 1960
DO  - 10.1111/j.2044-8295.1960.tb00737.x
UR  - https://pubmed.ncbi.nlm.nih.gov/13839489/
ID  - 13839489
ER  -