A. Alejo-Molina, H. Hendradi, Kurt Hingerl,
"Simplified Bond Hyperpolarizability Model of Second Harmonic Generation, Group Theory and Neumann's Principle"
, in Journal of the Optical of Soc., Vol. 31, Seite(n) 526-533, 2014
Original Titel:
Simplified Bond Hyperpolarizability Model of Second Harmonic Generation, Group Theory and Neumann's Principle