CREDITS:

PLEASE give credit: If you use PAScual, acknowledge it by citing, at least:

C. Pascual-Izarra et al.,
Advanced Fitting Algorithms for Analysing Positron Annihilation Lifetime Spectra,
Nuclear Instruments and Methods A, 603, p456-466 (2009)
(DOI: 10.1016/j.nima.2009.01.205)

See http://pascual.sourceforge.net for the latest information

PAScual has been written and is maintained by Carlos Pascual-Izarra. 
Contact by email: <cpascual [AT] users.sourceforge.net> 



PAScual uses code from third parties who generously made it available under free software licenses. The author wants to acknowledge them:

* Python (http://www.python.org/).Thanks to Guido and the rest for making this great language.
* Scipy (http://www.scipy.org/). PAScual makes heavy use of the mathematical libraries of this project.
* Qt (http://trolltech.com/products/qt). This is the great graphical library used in the GUI
* PyQT (http://www.riverbankcomputing.co.uk/pyqt/). Thanks  for making QT easy!
* PyQwt (http://pyqwt.sourceforge.net/). The plots in the GUI are possible thanks to this project.
* Some of the icons have been obtained from the Crystal Project by Everaldo Coelho ( www.everaldo.com )

Thanks also to the authors of the L-BFGS-B algorithm, for making it public:
				* C. Zhu, R. H. Byrd and J. Nocedal. L-BFGS-B: Algorithm 778: L-BFGS-B,
				FORTRAN routines for large scale bound constrained optimization (1997),
				ACM Transactions on Mathematical Software, Vol 23, Num. 4, pp. 550 - 560
