TY  - RPRT
TI  - A technique for making teaching file films.
AU  - J C DeMocker
AU  - D Graham
PY  - 1986
DO  - 10.7863/jum.1986.5.10.601
UR  - https://pubmed.ncbi.nlm.nih.gov/2430107/
ID  - 2430107
ER  -