%0 Conference Proceedings
%T The Stair way to Heaven ,or Seven articles of Sullam-al- Sama, of Al- Kashi, for determination of the diameter, distance, and the masses of the earth and its seven planets
%A Rahimi, Mohammad Farhad
%J ششمین کنفرانس بین المللی تاریخ علم شرق جهان
%D 2008