TY  - BOOK
AU  - Sarton,George
TI  - Science and learning in the fourteenth century: in 2 parts. Pt. 2. Second half of the fouteenth century
PY  - 1948///
CY  - Baltimore
PB  - Williams & Wilkins Company
N1  - Бібліогр. : c. 1872-1911, Index
ER  -