diff --git a/vignettes/gamlss2.bib b/vignettes/gamlss2.bib
index 662097b..913ec8c 100644
--- a/vignettes/gamlss2.bib
+++ b/vignettes/gamlss2.bib
@@ -31,6 +31,29 @@ @Article{Lang+Umlauf+Wechselberger+Harttgen+Kneib:2012
   doi = {10.1007/s11222-012-9366-0},
 }
 
+<<<<<<< HEAD
+@article{bamlss2018,
+	Author = {Umlauf, N. and Klein, N. and  Zeileis, Α.},
+	Journal = {Journal of Computational and Graphical Statistics},
+	Title = {{BAMLSS}: {B}ayesian additive models for location, scale and shape (and beyond)},
+	note = {10.1080/10618600.2017.1407325},
+	Year = {2018},
+	volume = {27},
+	pages = {612--627},
+	Bdsk-Url-1 = {http://dx.doi.org/10.1080/10618600.2017.1407325},
+	doi={10.1080/10618600.2017.1407325},
+	 URL = {https://doi.org/10.1080/10618600.2017.1407325}
+	}
+
+
+@book{eilers2021practical,
+  title={Practical Smoothing: The Joys of P-splines},
+  author={Eilers, P. H. C. and Marx, B. D.},
+  year={2021},
+  publisher={Cambridge University Press},
+   doi = {10.1017/9781108610247},
+  URL = {https://doi.org/10.1017/9781108610247}
+=======
 @Article{bamlss2018,
   author = {N. Umlauf and N. Klein and A. Zeileis},
   title = {{BAMLSS}: {B}ayesian Additive Models for Location, Scale and Shape (and Beyond)},
@@ -41,6 +64,7 @@ @Article{bamlss2018
   pages = {612--627},
   note = {10.1080/10618600.2017.1407325},
   doi = {10.1080/10618600.2017.1407325},
+>>>>>>> 8bfb779d357d3cd1d8b1ecb6301c4d64b3306012
 }
 
 @Book{eilers2021practical,
@@ -68,8 +92,11 @@ @book{Stasinopoulosetal2017
 	Date-Modified = {2016-11-17 08:29:59 +0000},
 	Publisher = {Chapman \& Hall/CRC},
 	Address = {Boca Raton},
-	Title = {Flexible Regression and Smoothing: Using GAMLSS in R},
-	Year = {2017}}
+	Title = {Flexible Regression and Smoothing: Using {GAMLSS} in {R}},
+	Year = {2017},
+	doi = {10.1201/b21973},
+  URL = {https://doi.org/10.1201/b21973},
+	}
 
 @book{Rigbyetal2019,
 	Author = {Rigby, R. A. and Stasinopoulos, D. M. and Heller, G. Z. and {De Bastiani}, F.},
@@ -101,7 +128,10 @@ @article{Stasinopoulos2018
 	Pages = {248--273},
 	Title = {{GAMLSS}: a distributional regression approach},
 	Volume = {18},
-	Year = {2018}}
+	Year = {2018},
+	doi = {10.1177/1471082X18759144},
+  URL ={https://doi.org/10.1177/1471082X18759144}
+	}
 
 @article{KleiberZeileis2016,
 	Author = {Kleiber, C. and Zeileis, A.},
@@ -110,7 +140,10 @@ @article{KleiberZeileis2016
 	Pages = {296-303},
 	Title = {Visualizing Count Data Regressions Using Rootograms},
 	Volume = {70},
-	Year = {2016}}
+	Year = {2016},
+	doi = {10.1080/00031305.2016.1173590},
+  URL ={https://doi.org/10.1080/00031305.2016.1173590}
+	}
 	
 	
 @manual{distregvis2019,
@@ -126,7 +159,9 @@ @book{stasinopoulos2024generalized
   author={Stasinopoulos, M.  D.  and Kneib, T. and Klein, N. and Mayr, A. and Heller, G. Z},
   volume={56},
   year={2024},
-  publisher={Cambridge University Press}
+  publisher={Cambridge University Press},
+doi = {10.1017/9781009410076},
+  URL ={https://doi.org/10.1017/9781009410076}
 }	
 
 
@@ -135,9 +170,13 @@ @article{hofner2015
 	Journal = {Journal of Statistical Software},
 	Number = {1},
 	Pages = {1--31},
-	Title = {{gamboostLSS}: An {R} Package for Model Building and Variable Selection in the {GAMLSS} Framework},
+	Title = {{gamboostLSS}: An {R} Package for Model Building and Variable Selection in the {GAMLSS} 
+	         Framework},
 	Volume = {74},
-	Year = {2016}}
+	Year = {2016},
+		 doi = {10.18637/jss.v074.i01},
+  URL = {https://doi.org/10.18637/jss.v074.i01}
+	}
 	
 @article{Hofneretal2014,
 	Author = {Hofner, B. and Mayr, A. and Robinzonov, N. and Schmid, M.},
@@ -145,9 +184,12 @@ @article{Hofneretal2014
 	Owner = {Usuario},
 	Pages = {3--35},
 	Timestamp = {2016.01.07},
-	Title = {Model-based boosting in R: a hands-on tutorial using the R package mboost},
+	Title = {Model-based boosting in {R}: a hands-on tutorial using the R package mboost},
 	Volume = {29},
-	Year = {2014}}
+	Year = {2014},
+	 doi = {10.1007/s00180-012-0382-5},
+  URL = {http://dx.doi.org/10.1007/s00180-012-0382-5}
+  }
 
 
 @article{Mayretal2012,
@@ -158,18 +200,23 @@ @article{Mayretal2012
 	Timestamp = {2016.01.07},
 	Title = {Generalized additive models for location, scale and shape for high dimensional data, a flexible approach based on boosting},
 	Volume = {61},
-	Year = {2012}}
+	Year = {2012},
+	 doi = {10.1111/j.1467-9876.2011.01033},
+  URL = {https://doi.org/10.1111/j.1467-9876.2011.01033}
+  }
 	
 	
 @article{stasinopoulos2023p,
   title={P-splines and GAMLSS: a powerful combination, with an application to zero-adjusted distributions},
-  author={Stasinopoulos, Dimitrios M and Rigby, Robert A and Heller, Gillian Z and De Bastiani, Fernanda},
+  author={Stasinopoulos, D. M. and Rigby, R. A. and Heller, G. Z. and De Bastiani, F.},
   journal={Statistical Modelling},
   volume={23},
   number={5-6},
   pages={510--524},
   year={2023},
-  publisher={SAGE Publications Sage India: New Delhi, India}
+  publisher={SAGE Publications Sage India: New Delhi, India},
+  doi = {10.1177/1471082X231176635},
+  URL = {https://doi.org/10.1177/1471082X231176635}
 }
 
 @book{R:Pinheiro+Bates:2000,
@@ -180,7 +227,8 @@ @book{R:Pinheiro+Bates:2000
 	Title = {Mixed-effects models in {S} and {S-Plus}},
 	Url = {http://nlme.stat.wisc.edu/MEMSS/},
 	Year = {2000},
-	Bdsk-Url-1 = {http://nlme.stat.wisc.edu/MEMSS/}}
+	url = {https://link.springer.com/book/10.1007/b98882}
+	}
 	
 	
 @Manual{CarterDavis2015,