TY  - BOOK
AU  - Protzen, Jean-Pierre
AU  - Harris, David J.
TI  - Universe of Design: Horst rittel's theories of design and planning
SN  - 9780415779883
U1  - 620.0042 
PY  - 2010///
CY  - New York
PB  - Routledge
KW  - Design
ER  -