TY  - BOOK
AU  - Leonardo,
ED  - Hayward Gallery
ED  - Arts Council of Great Britain
TI  - Leonardo da Vinci 
SN  - 0300045085
AV  - N6923.L33 
PY  - 1989///
CY  - New Haven
PB  - Yale University Press
KW  - Leonardo,
KW  - Research
KW  - Inventions
KW  - lcgft
KW  - Exhibition catalogs
N1  - Catalogue of an exhibition held at the Hayward Gallery and sponsored by the South Bank Board; Includes bibliographical references (p.244-245)
ER  -