TY  - BOOK
AU  - Williams,Robert
TI  - The geometrical foundation of natural structure: a source book of design
SN  - 048623729X
AV  - QA447 
U1  - 516 
PY  - 1979///
CY  - New York
PB  - Dover Publ.
KW  - Geometry
KW  - Design
ER  -