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

@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}}
} 

@Phdthesis{Nada2011,
 author = {Devandren Subramoney Nadasan},
 year = {2001},
 title = {The invasive potential of the freshwater snail \emph{Radix rubiginosa} recently introduced into South Africa},
 school = {University of KwaZulu-Natal}
} 

@Misc{EoL,
 howpublished = {\url{https://eol.org/pages/452902}}
}