TY  - BOOK
AU  - Willis,Delta
TI  - The sand dollar and the slide rule: drawing blueprints from nature 
SN  - 0201632756
AV  - QH351 .W55 1995
U1  - 574.4 20
PY  - 1995///
CY  - Reading, Mass.
PB  - Addison-Wesley
KW  - Morphology
KW  - Biomechanics
KW  - Nature (Aesthetics)
N1  - Includes bibliographical references (p. 216-223) and index
ER  -