TY  - RPRT
TI  - Instructional system approach to flight crew training.
AU  - K B Wallis
AU  - W L Ewart
AU  - R A Kaufman
PY  - 1966
DO  - 10.1177/001872086600800209
UR  - https://pubmed.ncbi.nlm.nih.gov/5966169/
ID  - 5966169
ER  -