Other useful models

GammaDist_pdf : Gamma-distributuon in shape/scale parameterization
GenGammaDist_pdf : Generalized Gamma-distribution
Amoroso_pdf : another view of generalized Gamma distribution
LogGammaDist_pdf : Gamma-distributuon in shape/scale parameterization
Log10GammaDist_pdf : Gamma-distributuon in shape/scale parameterization
LogGamma_pdf
BetaPrime_pdf : Beta-prime distribution
Landau_pdf : Landau distribution
Argus_pdf : ARGUS distribution
TwoExpos_pdf : difference of two exponents
Gumbel_pdf : Gumbel distributions
Weibull_pdf : Weibull distributions

Useful to describe pt-spectra:

Tsallis_pdf : Tsallis PDF
QGSM_pdf : QGSM PDF