TY  - BOOK
AU  - Protzen, Jean-Pierre
AU  - Harris, David J.
TI  - The universe of design: Horst Rittel's theories of  design and planning
SN  - 9780415779890
U1  - 620.0042 
PY  - 2010///
CY  - London
PB  - Routledge
KW  - Engineering design
ER  -