diff --git a/doc/handbook/dumux-handbook.bib b/doc/handbook/dumux-handbook.bib
index 97600f24dfb490c06031aaf4ea2f4f973edd4f45..e25743f6a27d9e410f2d2b71c592367f2da4c3e9 100644
--- a/doc/handbook/dumux-handbook.bib
+++ b/doc/handbook/dumux-handbook.bib
@@ -135,7 +135,8 @@
   volume =    {15},
   number =    {03},
   pages =     {658--669},
-  publisher = {Society of Petroleum Engineers}
+  publisher = {Society of Petroleum Engineers},
+  url = {https://dx.doi.org/10.2118/106435-PA}
 }
 
 
@@ -201,7 +202,8 @@
   volume =    {42},
   number =    {2-3},
   pages =     {296--305},
-  publisher = {Springer}
+  publisher = {Springer},
+  url = {https://doi.org/10.1007/s00254-001-0499-2}
 }
 
 @ARTICLE{BELIAEV2001,
@@ -431,11 +433,11 @@
   journal = {Journal of Contaminant Hydrology},
   year = {2005}
 }
-@phdthesis{nuske2009,
+@MastersThesis{nuske2009,
   title={{Determination of interfacial area-capillary pressure-saturation relationships for a single fracture}},
   author={Nuske, K. P.},
   year={2009},
-  school={Master’s thesis, Universit{\"a}t Stuttgart}
+  school={Universit{\"a}t Stuttgart}
 }
 
 @article{ferrell1967,
@@ -557,7 +559,8 @@
   title = {{Fifth Comparative Solution Project: Evaluation of Miscible Flood Simulators}},
   journal = {Society of Petroleum Engineers},
   year = {1987},
-  volume = {SPE 16000}
+  volume = {SPE 16000},
+  url = {https://doi.org/10.2118/16000-MS}
 }
 
 @ARTICLE{WHITAKER1985,
@@ -956,7 +959,8 @@
   journal = {Advances in Water Resources},
   year = {2002},
   volume = {25},
-  pages = {551--564}
+  pages = {551--564},
+  url = {https://doi.org/10.1016/S0309-1708(02)00015-5}
 }
 
 @BOOK{MEISTER2008,
@@ -1373,12 +1377,11 @@ url={http://dx.doi.org/10.1007/s11242-015-0599-1}
   url={http://oai.dtic.mil/oai/oai?verb=getRecord&metadataPrefix=html&identifier=ADA044002}
 }
 
-@phdthesis{ebigbo2005,
+@MastersThesis{ebigbo2005,
   title={{Thermal effects of carbon dioxide sequestration in the subsurface}},
   author={Ebigbo, A.},
   year={2005},
-  school={Master’s thesis, Institut f{\"u}r Wasserbau, Universit{\"a}t Stuttgart},
-  url={https://www.hydrosys.uni-stuttgart.de/institut/hydrosys/publikationen/paper/Dipl_Anozie_Ebigbo.pdf}
+  school={Institut f{\"u}r Wasserbau, Universit{\"a}t Stuttgart},
 }
 
 @article{michaelides1981,
@@ -1422,7 +1425,8 @@ url={http://dx.doi.org/10.1007/s11242-015-0599-1}
   year = {1998},
   volume = {36},
   pages = {401--422},
-  number = {3}
+  number = {3},
+  url = {http://dx.doi.org/10.1029/98RG00878}
 }
 
 @article{ward1964,
@@ -1445,7 +1449,8 @@ url={http://dx.doi.org/10.1007/s11242-015-0599-1}
   author = {Bastian, P. and Birken, K. and Lang, S. and Johannsen, K. and Neuss,
 	N. and Rentz-Reichert, H. and Wieners, C.},
   volume = {1},
-  series = {Computing and Visualization in Science}
+  series = {Computing and Visualization in Science},
+  url = {https://doi.org/10.1007/s007910050003}
 }
 
 @MASTERSTHESIS{A3:grass:2005,