From 7eff75d19d3cabf9ee22179cb8918ce58eeb1534 Mon Sep 17 00:00:00 2001
From: Danny Petschke <36198267+dpscience@users.noreply.github.com>
Date: Wed, 12 Feb 2020 17:59:15 +0100
Subject: [PATCH] Update README.md

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 # References 
 [1] [S.W. Provencher, CONTIN: A general purpose constrained regularization program for inverting noisy linear algebraic and integral equations, Comput. Phys. Commun. 27 (1982) 229–242. doi:10.1016/0010-4655(82)90174-6.](https://doi.org/10.1016/0010-4655(82)90174-6)<br>
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 [2] [R.B. Gregory, Y. Zhu, Analysis of positron annihilation lifetime data by numerical laplace inversion with the program CONTIN, Nucl. Instruments Methods Phys. Res. Sect. A Accel. Spectrometers, Detect. Assoc. Equip. 290 (1990) 172–182. doi:10.1016/0168-9002(90)90358-D.](https://doi.org/10.1016/0168-9002(90)90358-D).<br>
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 [3] [R.B. Gregory, Analysis of positron annihilation lifetime data by numerical Laplace inversion: Corrections for source terms and zero-time shift errors, Nucl. Inst. Methods Phys. Res. A. 302 (1991) 496–507. doi:10.1016/0168-9002(91)90367-Y.](https://doi.org/10.1016/0168-9002(91)90367-Y)