What is the significance of second derivative spectra over the fourth derivative spectra?

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Michal Kotkowiak

Hello,

please have a look here: http://atarazanas.sci.uma.es/docs/articulos/16742047.pdf

Karthikeyan Sivakumaran

Thank you Prof Michal for your valuable reference.

Ryan Weller

I found this article to be very helpful in general spectral derivative discussions: http://www.youngin.com/application/an-0608-0115en.pdf