(3JGQjN GdYde hGdMVGQI GdgdfSJjI aj GdbQhf GdKdGKI GdCNjQI bHd GdejdGO(B: (3GdLRA GdQGHYs - George Sarton; (3EHQGgje Hjhej eOchQs; (3bSWfWjf RQjbs ((3eUQs (3OGQ GdeYGQa HeUQs, 1971)
Keywords: Natural Sciences (3GdYdhe GdHMJIs; General