📚 Literatură:

• O. Mason, G. Claridge (1995) (1995)
• https://doi.org/10.1016/0191-8869(94)00132-C...
• https://doi.org/10.1016/j.schres.2005.12.845...
• https://doi.org/10.1016/j.schres.2005.06.020...