ISMI Islamic Scientific Manuscripts Initiative

Full reference OpenMind biblio ref
Abdollahy, Reza, and Ehsan Yarshater. 1990. “Calendar: Islamic Period”. In Encyclopaedia Iranica, 4:668-674. London; Boston: Routledge & Kegan Paul.
 { Reza Abdollahy, Ehsan Yarshater, 1990 #819 }