@misc{Ryg_M._Seasonal_1991,
 author={Ryg, M. and Smith, T. G. and Oritsland, N. A.},
 volume={224},
 copyright={Rights Reserved - Restricted Access},
 journal={Journal of Zoology, Lond.},
 address={London},
 howpublished={online},
 year={1991},
 publisher={Wiley-Blackwell},
 language={eng},
 type={Text},
 title={Seasonal and developmental changes of reproductive organs of male ringed seals (Phoca hispida) in the Svalbard area},
 keywords={Area, Male, Phoca hispida, Reproductive, Reproductive organs, Ringed seals, Seal, Seals, Svalbard area},
}