(1975). “Crystal growth and transport rates of GeSe and GeTe in micro-gravity environment”. Journal of Crystal Growth 31: 36. doi:10.1016/0022-0248(75)90107-4
Mora, Á., Galán, J. L., Aguilera, G., Fernández, Á., Mérida, E., & Rodríguez, P. (2010). Scilab and Maxima Environment: Towards Free Software in Numerical