1.1 --- a/doc/references.bib	Sat Oct 07 17:03:30 2017 +0200
     1.2 +++ b/doc/references.bib	Wed Oct 17 22:55:02 2018 +0200
     1.3 @@ -43,6 +43,17 @@
     1.4    pages =        {67--118}
     1.5  }
     1.6  
     1.7 +@article{VF2PP,
     1.8 +  author =       {Alp\'ar J\"uttner and  P\'eter Madarasi},
     1.9 +  title =        {{VF2++} — An improved subgraph isomorphism algorithm},
    1.10 +  journal =      {Discrete Applied Mathematics},
    1.11 +  year =         {2018},
    1.12 +  volume =       {242},
    1.13 +  pages =        {69--81},
    1.14 +  url =          {https://doi.org/10.1016/j.dam.2018.02.018}
    1.15 +}
    1.16 +
    1.17 +
    1.18  
    1.19  %%%%% Other libraries %%%%%%
    1.20  

     2.1 --- a/lemon/vf2pp.h	Sat Oct 07 17:03:30 2017 +0200
     2.2 +++ b/lemon/vf2pp.h	Wed Oct 17 22:55:02 2018 +0200
     2.3 @@ -32,10 +32,10 @@
     2.4  
     2.5  namespace lemon {
     2.6  
     2.7 -  ///%VF2 Plus Plus algorithm class.
     2.8 +  ///%VF2 Plus Plus algorithm class \cite VF2PP.
     2.9  
    2.10    ///\ingroup graph_isomorphism This class provides an efficient
    2.11 -  ///implementation of the %VF2 Plus Plus algorithm
    2.12 +  ///implementation of the %VF2 Plus Plus algorithm \cite VF2PP
    2.13    ///for variants of the (Sub)graph Isomorphism problem.
    2.14    ///
    2.15    ///There is also a \ref vf2pp() "function-type interface" called