TY  - BOOK
AU  - Al-Bakhit, M.A. etc. eds.
AU  - Al-Bakhit, M.A. etc. eds.
TI  - History of humanity : scientific and cultural development (Vol.4 From the seventh to the sixteenth century )
U1  - V1:71z7 
PY  - 2000///
CY  - Paris
PB  - UNESCO, Routledge
KW  - V1:71z7
ER  -