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

@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{Steh2007,
 author = {L. L. Stehlik.},
 year = {1972},
 title  = {Spiny Dogfish, \emph{Squalus acanthias},
 Life History and Habitat Characteristics.},
 journal = {NOAA Technical Memorandum},
 volume = {NMFS-NE-203}
} 

@Article{Avsa2001,
 author = {D. Avsar},
 year = {2001},
 title  = {Age, Growth, Reproduction and Feeding of the Spurdog (\emph{Squalus acanthias} {L}innaeus, 1758) in the {S}outh-eastern {B}lack {S}ea},
 journal = {Estuarine, Coastal and Shelf Science},
 volume = {52},
 number = {2},
 pages = {269--278}
} 

@Article{YigiIsme2016,
 author = {Yigin, C.C. and Ismen, A.},
 year = {2016},
 title  = {Age and Growth of Spiny Dogfish \textit{Squalus acanthias} ({S}qualidae: {C}hondrichthyes) in the {N}orth {A}egean {S}ea},
 journal = {Pakistan Journal of Zoology},
 volume = {48},
 number = {4},
 pages = {1185--1191}
} 

@Article{YigiIsme2013,
 author = {Yigin, C.C. and Ismen, A.},
 year = {2013},
 title  = {Reproductive Biology of Spiny Dogfish \textit{Squalus acanthias},
 in the {N}orth {A}egean {S}ea},
 journal = {Turkish Journal of Fisheries and Aquatic Sciences},
 volume = {13},
 doi = {10.4194/1303-2712-v13_1_20},
 pages = {169--177}
} 

@Misc{AnDiv,
 howpublished = {\url{http://animaldiversity.ummz.umich.edu/accounts/Squalus_acanthias/}}
} 

@Article{JoneGeen1977,
 author = {Jones, B. C. and Geen, G. H.},
 year = {1977},
 title  = {Reproduction and Embryonic Development of Spiny Dogfish (\textit{Squalus acanthias} in the {S}trait of {G}eorgia, {B}ritish {C}olumbia},
 journal = {Journal of the Fisheries Research Board of Canada},
 volume = {34},
 number = {9},
 doi = {10.1139/f77-190},
 pages = {1286--1292}
}