Full reference OpenMind biblio ref
Rozenfeld, Boris, and Miriam Rozhanskaya. 1987. “On Al-Bīrūnī’s Densimetry”. In From Deferent To Equant: A Volume Of Studies In The History Of Science In The Ancient And Medieval Near East In Honor Of E. S. Kennedy, 403-17. New York: New York Academy of Sciences.
{ Boris Rozenfeld, Miriam Rozhanskaya, 1987 #11227 }