@misc{Massei_G._Observations_1995,
 author={Massei, G. and Genov, P.},
 volume={236},
 copyright={Rights Reserved - Restricted Access},
 journal={Journal of Zoology, Lond.},
 address={London},
 howpublished={online},
 year={1995},
 publisher={Wiley-Blackwell},
 language={eng},
 type={Text},
 title={Observations of black-billed magpie ( Pica pica ) and carrion crow ( Corvus corone cornix ) grooming wild boar ( Sus scrofa )},
 keywords={Black-billed magpie, Carrion crow, Cleaning/feeding symbiosis, Corvus corone cornix, Grooming, Grooming wild boar, Italy, Observations, Pica pica, Sus, Sus scrofa, Wild boar},
}