TY  - BOOK
AU  - Dul,Jan
AU  - Weerdmeester,B.A.
TI  - Ergonomics for beginners: a quick reference guide 
SN  - 0748400796
PY  - 1993///
CY  - London
PB  - Taylor & Francis
KW  - Human engineering
N1  - references p. 125-129
ER  -