TY  - BOOK
AU  - Hays R T
AU  -  Singer M J
TI  - Simulation fidelity in training system design :  Bridging the gap between reality and training
U1  - X:9, M9 
PY  - 1989///
CY  - N York 
PB  - Springer      
KW  - LABOUR ECONOMICS; ECONOMICS
ER  -