1. E.H. Rhoderick, R.H. Williams, Metal-Semiconductor Contacts, (Clarendon Press Oxford 1988)
2. S.M. Sze, K.K. Ng, Physics of Semiconductor Devices (Wiley-Interscience, Hoboken, N.J., 2007)
3. W. Brütting, Physics of Organic Semiconductors (Wiley-VCH, Weinheim, 2005)
4. W. Hu, F. Bai, X. Gong, X. Zhan, H. Fu, T. Bjornholm, Organic Optoelectronics, (Wiley-VCH, Weinheim, 2013)
5. J.M. Nunzi, C R Phys. 3, 523 (2002)