TY  - BOOK
AU  - Sarton, George
TI  - Introduction to the History of Science 3
SN  - 0882751727
U1  - 509 
PY  - 1975///
CY  - New York : 
PB  - Robert E. Krieger Publishing, 
KW  - Science History
KW  - Scientists
N1  - YN; v. 3. Science and Learning in the Fourteenth Century Pt. 2. the Time of Geoffrey Chaucer Ibn Khaldun and Hasdai Crescas Second Half of the Fourteenth Century
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/0-88275-172-7.pdf
ER  -