Full reference OpenMind biblio ref
Hill, Donald, Aḥmad Al-Ḥassan, Maqbul Ahmed, and A. Iskandar. 2001. “Mechanical Technology”. In The Different Aspects of Islamic Culture, Vol. 4: Science and Technology in Islam. Part 2: Technology and Applied Sciences.:165-92. Beirut: UNESCO.
{ Donald Hill, Aḥmad Al-Ḥassan, Maqbul Ahmed, A. Iskandar, 2001 #539 }