M. Rozhanskaya and I. S. Levinova, "Statics", in R. Rashed (1996), The Encyclopaedia of the History of Arabic Science, p. p. 614-642 [639], Routledge, London. (cf.KhwarizmArchivado el 4 de enero de 2010 en Wayback Machine., Foundation for Science Technology and Civilisation.)
M. Rozhanskaya and I. S. Levinova, "Statics", in R. Rashed (1996), The Encyclopaedia of the History of Arabic Science, p. p. 614-642 [639], Routledge, London. (cf.KhwarizmArchivado el 4 de enero de 2010 en Wayback Machine., Foundation for Science Technology and Civilisation.)