@Misc{Wiki,
 howpublished = {\url{http://en.wikipedia.org/wiki/Muraena_helena}}
} 

@Misc{cibsub,
 howpublished = {\url{https://www.cibsub.cat/bioespecie_en-muraena_helena-28086}}
} 

@Book{Kooy2010,
 author = {Kooijman, S.A.L.M.},
 year = {2010},
 title  = {Dynamic Energy Budget theory for metabolic organisation},
 publisher = {Cambridge Univ. Press, Cambridge},
 pages = {Table 4.2 (page 150), 8.1 (page 300)},
 howpublished = {\url{../../../bib/Kooy2010.html}}
} 

@Misc{fishbase,
 author = {Anonymous},
 year = {2015},
 howpublished = {\url{https://www.fishbase.de/summary/Muraena-helena.html}}
} 

@article{SallBear2016,
 author = {Balkis Sallami and Philippe B\'{e}arez and mohamed Ben Salem},
 year = {2016},
 title  = {Age and growth of \emph{Muraena helena} ({M}uraenidae) from the north coast of {T}unisia},
 journal = {Cybium},
 volume = {40(2)},
 pages = {155-161}
}