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

@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}}
} 

@Techreport{Laak2009,
 author = {G. A. J. de Laak},
 year = {2009},
 title = {Kennisdocument elft},
 howpublished = {\verb+http://www.sportvisserijnederland.nl/files/kd-elft_5164.pdf+},
 institution = {Sportvisserij Nederland},
 series = {Kennisdocument},
 volume = {25}
}