pp 217-219.;* Gotthard Strohmaier, "Biruni" in Josef W. Meri, Jere L. Bacharach, "Medieval Islamic Civilization: A-K, index": Vol.
pp 217-219.;* Gotthard Strohmaier, "Biruni" in Josef W. Meri, Jere L. Bacharach, "Medieval Islamic Civilization: A-K, index": Vol.