TY  - GEN
AU  - Eastwood,Bruce S.
TI  - Astronomy and optics from Pliny to Descartes : texts, diagrams and conceptual structures
SN  - 0860782395
AV  - QB23 
PY  - 1989///
CY  - London
PB  - Variorum Reprints
KW  - Astronomy
KW  - Medieval
KW  - Optics
KW  - History
ER  -