TY  - BOOK
AU  - Pahl,G.
AU  - Beitz,W.
TI  - Engineering design : a systematic approach
SN  - 085072239X
U1  - TA/174 
PY  - 1988///
CY  - London
PB  - The design council
KW  - Engineering design.
KW  - Operations research.
ER  -