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

@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}}
} 

@Article{Land1983,
 author = {Lande, V. van der},
 year = {1983},
 title = {Observations on the growth and development of the duck leech, \emph{Theromyzon tessulatum} ({H}irudinea: {G}lossiphoniidae), as a function of feeding},
 journal = {J. Zool., Lond.},
 volume = {201},
 pages = {377-393}
}