TY  - BOOK
AU  - Null,Roberta L.
TI  - Universal design: principles and models 
SN  - 9781466505308 (ebook : PDF)
KW  - Barrier-free design
KW  - United States
KW  - People with disabilities
KW  - Legal status, laws, etc
KW  - Universal design
N1  - Includes bibliographical references and index
UR  - http://marc.crcnetbase.com/isbn/9781466505308
ER  -