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

@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{AnAge,
 howpublished = {\url{http://genomics.senescence.info/species/entry.php?species=Ovis_aries}}
} 

@Article{LewiEmma2002,
 doi = {10.1017/s1357729800052176},
 author = {Lewis, R. M. and Emmans, G. C. and Dingwall, W. S. and Simm, G.},
 year = {2002},
 title = {A description of the growth of sheep and its genetic analysis},
 journal = {Animal Science},
 volume = {74(1)},
 pages = {51–62}
} 

@Article{Harr1936,
 author = {Harris, H.A.},
 year = {1937},
 title = { The foetal growth of the sheep},
 journal = {J. Anat.},
 volume = {71},
 pages = {516-527}
}