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

@Misc{Wiki_he,
 howpublished = {\url{https://en.wikipedia.org/wiki/Heliciculture}}
} 

@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{animalbase,
 howpublished = {\url{http://www.animalbase.uni-goettingen.de/zooweb/servlet/AnimalBase/home/species?id=812}}
} 

@Misc{ADW,
 howpublished = {\url{http://animaldiversity.org/accounts/Helix_pomatia/#950a73096c94a6a8cc69857eb1621557}}
}